Knowledge (XXG)

Algebraic logic

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Leibniz had no influence on the rise of algebraic logic because his logical writings were little studied before the Parkinson and Loemker translations. Our present understanding of Leibniz as a logician stems mainly from the work of Wolfgang Lenzen, summarized in
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structure, based in set theory, was transcended by Tarski with axioms describing it. Then he asked if every algebra satisfying the axioms could be represented by a set relation. The negative answer opened the frontier of
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but without much background in order theory and/or universal algebra; the book covers these prerequisites at length. This book however has been criticized for poor and sometimes incorrect presentation of AAL results.
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relation. Riguet also extended ordering to the heterogeneous context by his note that a staircase logical matrix has a complement that is also a staircase, and that the theorem of
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The description of the key binary relation properties has been formulated with the calculus of relations. The univalence property of functions describes a relation
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used the algebraic logic to advance useful concepts: he extended the concept of an equivalence relation (on a set) to the heterogeneous case with the notion of a
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or mathematical systems, and the algebraic structure which are its models are shown on the right in the same row. Some of these structures are either
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Bjarni JĂłnsson (1984). "Maximal Algebras of Binary Relations". In Kenneth I. Appel; John G. Ratcliffe; Paul E. Schupp (eds.).
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Discrete Mathematics for Computer Scientists, page 54, EATCS Monographs on Theoretical Computer Science, Springer Verlag,
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Czelakowski, Janusz (2003). "Review: Algebraic Methods in Philosophical Logic by J. Michael Dunn and Gary M. Hardegree".
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of information, so relations are studied with Boolean arithmetic. Elements of the power set are partially ordered by
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method. Since logical matrices are certain abstract algebras, this led to the use of an algebraic method in logic."
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matrix. A relation obtained as the composition of two others is then represented by the logical matrix obtained by
2179: 1264:. The founders of model theory, Ernst Schröder and Leopold Loewenheim, were logicians in the algebraic tradition. 69:(AAL) focus on the process of algebraization itself, like classifying various forms of algebraizability using the 3801: 3752: 3701: 3598: 3096: 3057: 2534: 1597: 1051: 3593: 2208: 1050:
Algebraic logic is, perhaps, the oldest approach to formal logic, arguably beginning with a number of memoranda
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What is now usually called classical algebraic logic focuses on the identification and algebraic description of
3796: 3523: 3062: 2914: 2897: 2620: 2100: 1965: 1795: 1162: 1114: 1106: 774: 739: 487: 144: 66: 1569:(1991) "The Origin of Relation Algebras in the Development and Axiomatization of the Calculus of Relations", 620: 3425: 3402: 3363: 3249: 3190: 2836: 2756: 2600: 2544: 2157: 1325: 1002: 982: 977: 796: 1663: 3715: 3442: 3420: 3387: 3280: 3126: 3111: 3084: 3035: 2919: 2854: 2679: 2645: 2640: 2514: 2345: 2322: 1991:& N. Houser (1991) "Nineteenth Century Roots of Algebraic Logic and Universal Algebra", pages 1–36 in 1193: 1086: 1010: 475: 418: 136: 108: 1684: 3645: 3498: 3290: 3008: 2744: 2650: 2509: 2494: 2375: 2350: 1978: 1506: 1239: 956: 778: 424: 362: 288: 170: 3771: 3618: 3580: 3457: 3261: 3101: 3025: 3003: 2831: 2789: 2688: 2655: 2519: 2307: 2218: 1679: 1230: 1154: 1094: 994: 931: 918: 881: 1921:, IstvĂĄn NĂ©meti and IldikĂł Sain (2001). "Algebraic logic". In Dov M. Gabbay, Franz Guenthner (ed.). 1058:
in 1918. But nearly all of Leibniz's known work on algebraic logic was published only in 1903 after
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wrote in the 1680s, some of which were published in the 19th century and translated into English by
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appropriate for the study of various logics (in the form of classes of algebras that constitute the
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The Mathematical Analysis of Logic, Being an Essay towards a Calculus of Deductive Reasoning
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Modern mathematical logic began in 1847, with two pamphlets whose respective authors were
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that always exists, contrary to function theory. A given relation may be represented by a
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Handbook of the History of Logic, Vol. 3: The Rise of Modern Logic from Leibniz to Frege
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Philosophiegeschichte und logische Analyse / Logical Analysis and History of Philosophy
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The rules of proof are the substitution of equals for equals, and uniform replacement.
414: 269:. The art of putting the right question to elicit a sufficient answer is recognized in 242: 162: 1723: 667:
Schmidt uses this principle as "slipping below negation from the left". For a mapping
3790: 3665: 3343: 2850: 2635: 2625: 2595: 2580: 2250: 1957: 1728: 1592: 1570: 1317: 1305: 1265: 1203: 949: 55: 1760:(1974), "Post Algebras as Semantic Foundations of m-valued Logics", pages 92–142 in 3565: 3412: 3313: 3305: 3185: 3133: 3042: 2978: 2961: 2892: 2751: 2610: 2312: 2095: 1707: 1640: 1566: 1548: 1301: 1261: 1199: 1078: 825: 792: 763: 35: 3675: 3555: 2734: 2724: 2671: 2355: 2275: 2260: 2140: 2085: 1668: 1337: 1219: 960: 845: 818: 1457:, Encyclopedia of Mathematics and its Applications, vol. 132, pages 49 and 57, 2605: 2460: 2431: 2237: 2023: 1947:". Stanford Encyclopedia of Philosophy. Mainly about abstract algebraic logic. 1269: 1223: 1176:
as his version of pure mathematics based on the operations of the calculus as
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Algebra der Logik (Exakte Logik) Dritter Band, Algebra und Logik der Relative
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are typically modeled by what are called "Boolean algebras with operators."
182: 166: 90: 1794:. Amsterdam, Netherlands: North-Holland/Elsevier Science BV. Archived from 523:. These equivalences provide alternative formulas for univalent relations ( 3742: 3540: 2988: 2693: 2287: 2000: 1551: 1272:
model theory as a major branch of contemporary mathematical logic, also:
1185: 1173: 1063: 193: 1871: 1109:, published "On the Algebra of Logic". Logic turned more algebraic when 3338: 2130: 1912: 1831: 1527: 806: 1260:
discusses the rich historical connections between algebraic logic and
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can draw inspiration from, and shed light on, Leibniz's thought, see
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From Peirce to Skolem: A Neglected Chapter in the History of Logic
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in 1918. He treated the logic of relations as derived from the
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on algebraic logic appeared after the 1910–13 publication of
1165:, though De Morgan had anticipated them with his Theorem K. 131:. Whether a given relation holds for two individuals is one 1074:
translated selections from Couturat's volume into English.
1504:(May 1950). "The representation of Relational Algebras". 1392:. Contemporary Mathematics. Vol. 33. Providence/RI: 1180:. The "Boole–Schröder algebra of logic" was developed at 876:, arguably the paradigmatic algebraic logic, can express 832:
In the table below, the left column contains one or more
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is the reasoning obtained by manipulating equations with
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are built up from variables using primitive and defined
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Propositional Consequence Relations and Algebraic Logic
139:, and lattice of these sets becomes an algebra through 1995:, Colloquia Mathematica Societatis JĂĄnos Bolyai # 54, 332:. The injective property corresponds to univalence of 58:
fall under the umbrella of classical algebraic logic (
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Good introduction for readers with prior exposure to
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To see how present-day work in logic and 1157:the calculus of relations was described by 74: 59: 52:representation theorem for Boolean algebras 2870: 2465: 2233: 2051: 2037: 2029: 1854:Leibniz: Philosophical Papers and Letters 1667:, London: Taylor & Walton, link from 1631:, second edition 1932, Dover edition 1960 1067: 758:, as models (interpretations) of certain 698: 684: 683: 678: 643: 642: 625: 624: 622: 596: 595: 578: 577: 575: 549: 548: 534: 533: 528: 498: 497: 495: 441: 426: 373: 364: 343: 337: 328:is the identity relation on the range of 296: 290: 50:and duality. Well known results like the 1892:Algebraic Methods in Philosophical Logic 1616: 1614: 1595:(1941), "On the Calculus of Relations", 1552:The Origins of the Calculus of Relations 1276:Initiated abstract algebraic logic with 1214:all shared Leibniz's dream of combining 1172:developed the calculus of relations and 891: 1954:". Stanford Encyclopedia of Philosophy. 1380: 1071: 660:{\displaystyle {\bar {R}}=R{\bar {I}}.} 1923:Handbook of Philosophical Logic, vol 2 1843:" in Gabbay, D., and Woods, J., eds., 1333: 828:remains valid, but is seldom employed. 1588: 1586: 1584: 1582: 1433:G. Schmidt & T. Ströhlein (1993) 1341: 1257: 7: 265:α is a homogeneous relation on 1766:Mathematical Association of America 1308:follows from interpretation of the 859:in at least some respects include: 409:But a univalent relation is only a 1685:Principles of the Algebra of Logic 1182:University of California, Berkeley 1137:is represented as a member of the 1099:Principles of the Algebra of Logic 855:Algebraic formalisms going beyond 783:existentially quantified variables 453:{\displaystyle I\subseteq RR^{T}.} 391:{\displaystyle RR^{T}\subseteq I,} 317:{\displaystyle R^{T}R\subseteq I,} 14: 1997:JĂĄnos Bolyai Mathematical Society 1983:The Search for Mathematical Roots 1872:A (Leibnizian) Theory of Concepts 1476:G. Schmidt & M. Winter(2018) 1312:of a staircase. Riguet generated 866:, having the expressive power of 471:for a total, univalent relation. 402:is the identity on the domain of 3770: 1418:The Categories of Charles Peirce 1764:, edited by Aubert Daigneault, 519:for the complement of relation 223:is a direct answer to question 1952:The Algebra of Logic Tradition 1812:The Bulletin of Symbolic Logic 1629:University of California Press 1161:. In particular he formulated 689: 648: 630: 601: 583: 554: 539: 503: 421:. The formula for totality is 46:) and connected problems like 1: 3731:History of mathematical logic 1985:. Princeton University Press. 1746:The Principles of Mathematics 1422:Open Court Publishing Company 1394:American Mathematical Society 1390:Contributions to Group Theory 1149:with properties described by 111:is found in the power set of 3656:Primitive recursive function 1913:Review by Janusz Czelakowski 1484:vol. 2208, Springer Verlag, 1482:Lecture Notes in Mathematics 746:Algebras as models of logics 708: 1894:. Oxford University Press. 1062:discovered it in Leibniz's 762:, making logic a branch of 285:that satisfies the formula 3818: 2720:Schröder–Bernstein theorem 2447:Monadic predicate calculus 2106:Foundations of mathematics 1925:(2nd ed.). Springer. 1865:. Oxford University Press. 1762:Studies in Algebraic Logic 1625:A Survey of Symbolic Logic 1459:Cambridge University Press 1322:non-enlargeable rectangles 1196:of two or more variables. 1043: 884:, including the canonical 817:, equate a formula with a 512:{\displaystyle {\bar {R}}} 199:. There are two relations 173:using Boolean arithmetic. 3766: 3753:Philosophy of mathematics 3702:Automated theorem proving 2873: 2827:Von Neumann–Bernays–Gödel 2468: 1861:Parkinson, G.H.R (1966). 1839:Lenzen, Wolfgang, 2004, " 1788:Brady, Geraldine (2000). 1598:Journal of Symbolic Logic 1290:Lindenbaum–Tarski algebra 1105:, a student of Peirce at 899:Lindenbaum–Tarski algebra 65:Works in the more recent 1966:Harvard University Press 1950:Stanley Burris (2015), " 1852:Loemker, Leroy (1969) , 1115:composition of relations 1107:Johns Hopkins University 995:Complete Boolean algebra 740:abstract algebraic logic 570:), and total relations ( 261:so that the composition 249:. The converse relation 145:composition of relations 67:abstract algebraic logic 3403:Self-verifying theories 3224:Tarski's axiomatization 2175:Tarski's undefinability 2170:incompleteness theorems 1943:Ramon Jansana (2011), " 1863:Leibniz: Logical Papers 1856:(2nd ed.), Reidel. 1703:On the Algebra of Logic 1326:formal concept analysis 1194:propositional functions 1009:First-order logic with 1003:predicate functor logic 983:Monadic Boolean algebra 978:monadic predicate logic 750:Algebraic logic treats 476:complementary relations 141:relative multiplication 3777:Mathematics portal 3388:Proof of impossibility 3036:propositional variable 2346:Propositional calculus 1973:Historical perspective 1847:. North-Holland: 1-84. 1688:, via Internet Archive 1455:Relational Mathematics 1416:Eugene Freeman (1934) 1101:in 1879, and in 1883, 1087:Charles Sanders Peirce 882:axiomatic set theories 775:universally quantified 773:Variables are tacitly 720: 661: 611: 564: 513: 454: 392: 353: 318: 227:. The other relation, 109:heterogeneous relation 3646:Kolmogorov complexity 3599:Computably enumerable 3499:Model complete theory 3291:Principia Mathematica 2351:Propositional formula 2180:Banach–Tarski paradox 1979:Ivor Grattan-Guinness 1870:Zalta, E. N., 2000, " 1507:Annals of Mathematics 1314:rectangular relations 1240:Principia Mathematica 779:universe of discourse 721: 662: 612: 565: 514: 455: 393: 354: 352:{\displaystyle R^{T}} 319: 171:matrix multiplication 81:Calculus of relations 3594:Church–Turing thesis 3581:Computability theory 2790:continuum hypothesis 2308:Square of opposition 2166:Gödel's completeness 1908:non-classical logics 1680:Alexander Macfarlane 1435:Relations and Graphs 1396:. pp. 299–307. 1155:Hochschule Karlsruhe 1095:Alexander Macfarlane 921:propositional logic 811:logically equivalent 769:In algebraic logic: 752:algebraic structures 677: 621: 574: 527: 494: 425: 413:, while a univalent 363: 336: 289: 3748:Mathematical object 3639:P versus NP problem 3604:Computable function 3398:Reverse mathematics 3324:Logical consequence 3201:primitive recursive 3196:elementary function 2969:Free/bound variable 2822:Tarski–Grothendieck 2341:Logical connectives 2271:Logical equivalence 2121:Logical consequence 1962:The Ways of Paradox 1556:Stanford University 1478:Relational Topology 1113:were combined with 850:nonclassical logics 40:algebraic semantics 3546:Transfer principle 3509:Semantics of logic 3494:Categorical theory 3470:Non-standard model 2984:Logical connective 2111:Information theory 2060:Mathematical logic 1743:B. Russell (1903) 1659:Augustus De Morgan 1453:G. Schmidt (2011) 1091:logic of relatives 1083:Augustus De Morgan 1046:Symbolical algebra 716: 657: 607: 560: 509: 480:Augustus De Morgan 450: 388: 349: 314: 21:mathematical logic 3784: 3783: 3716:Abstract category 3519:Theories of truth 3329:Rule of inference 3319:Natural deduction 3300: 3299: 2845: 2844: 2550:Cartesian product 2455: 2454: 2361:Many-valued logic 2336:Boolean functions 2219:Russell's paradox 2194:diagonal argument 2091:First-order logic 1932:978-0-7923-7126-7 1901:978-0-19-853192-0 1490:978-3-319-74451-3 1466:978-0-521-76268-7 1403:978-0-8218-5035-0 1369:Universal algebra 1284:cylindric algebra 1278:relation algebras 1268:, the founder of 1231:Leopold Löwenheim 1229:Some writings by 1178:primitive notions 1037: 1036: 1028:Combinatory logic 1016:Cylindric algebra 990:First-order logic 932:Ɓukasiewicz logic 864:Combinatory logic 857:first-order logic 842:proper extensions 711: 692: 651: 633: 604: 586: 557: 542: 506: 359:, or the formula 159:converse relation 44:deductive systems 3809: 3802:History of logic 3775: 3774: 3726:History of logic 3721:Category of sets 3614:Decision problem 3393:Ordinal analysis 3334:Sequent calculus 3232:Boolean algebras 3172: 3171: 3146: 3117:logical/constant 2871: 2857: 2780:Zermelo–Fraenkel 2531:Set operations: 2466: 2403: 2234: 2214:Löwenheim–Skolem 2101:Formal semantics 2053: 2046: 2039: 2030: 1936: 1905: 1879: 1866: 1857: 1848: 1835: 1806: 1804: 1803: 1775: 1755: 1749: 1741: 1735: 1733:Internet Archive 1716: 1710: 1695: 1689: 1677: 1671: 1656: 1650: 1638: 1632: 1618: 1609: 1590: 1577: 1564: 1558: 1546: 1540: 1539: 1498: 1492: 1474: 1468: 1451: 1445: 1431: 1425: 1414: 1408: 1407: 1385: 1364:Computer algebra 1170:Bertrand Russell 1111:binary relations 1068:Parkinson (1966) 1032:relation algebra 999:polyadic algebra 966:Interior algebra 907:sentential logic 892: 878:Peano arithmetic 874:Relation algebra 838:Boolean algebras 756:bounded lattices 735:relation algebra 725: 723: 722: 717: 712: 707: 699: 694: 693: 685: 673: 671: 666: 664: 663: 658: 653: 652: 644: 635: 634: 626: 616: 614: 613: 608: 606: 605: 597: 588: 587: 579: 569: 567: 566: 561: 559: 558: 550: 544: 543: 535: 522: 518: 516: 515: 510: 508: 507: 499: 474:The facility of 459: 457: 456: 451: 446: 445: 411:partial function 405: 401: 398:where this time 397: 395: 394: 389: 378: 377: 358: 356: 355: 350: 348: 347: 331: 327: 323: 321: 320: 315: 301: 300: 284: 264: 252: 233: 203:and α from 202: 130: 120: 102: 89:is found in the 75:Czelakowski 2003 71:Leibniz operator 60:Czelakowski 2003 3817: 3816: 3812: 3811: 3810: 3808: 3807: 3806: 3797:Algebraic logic 3787: 3786: 3785: 3780: 3769: 3762: 3707:Category theory 3697:Algebraic logic 3680: 3651:Lambda calculus 3589:Church encoding 3575: 3551:Truth predicate 3407: 3373:Complete theory 3296: 3165: 3161: 3157: 3152: 3144: 2864: and  2860: 2855: 2841: 2817:New Foundations 2785:axiom of choice 2768: 2730:Gödel numbering 2670: and  2662: 2566: 2451: 2401: 2382: 2331:Boolean algebra 2317: 2281:Equiconsistency 2246:Classical logic 2223: 2204:Halting problem 2192: and  2168: and  2156: and  2155: 2150:Theorems ( 2145: 2062: 2057: 2020:Algebraic logic 2016: 1993:Algebraic Logic 1933: 1917: 1902: 1889: 1886: 1884:Further reading 1869: 1860: 1851: 1841:Leibniz’s Logic 1838: 1809: 1801: 1799: 1787: 1784: 1779: 1778: 1756: 1752: 1742: 1738: 1717: 1713: 1696: 1692: 1678: 1674: 1657: 1653: 1639: 1635: 1619: 1612: 1607:10.2307/2268577 1591: 1580: 1565: 1561: 1547: 1543: 1520:10.2307/1969375 1502:Roger C. Lyndon 1500: 1499: 1495: 1475: 1471: 1452: 1448: 1432: 1428: 1415: 1411: 1404: 1387: 1386: 1382: 1377: 1354:Boolean algebra 1350: 1212:A. N. Whitehead 1151:Boolean algebra 1048: 1042: 925:Heyting algebra 912:Boolean algebra 895:Logical system 813:. To express a 799:. There are no 781:. There are no 748: 731: 700: 675: 674: 669: 668: 619: 618: 572: 571: 525: 524: 520: 492: 491: 465:Gunther Schmidt 461:Charles Loewner 437: 423: 422: 403: 399: 369: 361: 360: 339: 334: 333: 329: 325: 292: 287: 286: 282: 279: 271:Socratic method 262: 250: 231: 200: 179: 122: 112: 94: 87:binary relation 83: 25:algebraic logic 17: 12: 11: 5: 3815: 3813: 3805: 3804: 3799: 3789: 3788: 3782: 3781: 3767: 3764: 3763: 3761: 3760: 3755: 3750: 3745: 3740: 3739: 3738: 3728: 3723: 3718: 3709: 3704: 3699: 3694: 3692:Abstract logic 3688: 3686: 3682: 3681: 3679: 3678: 3673: 3671:Turing machine 3668: 3663: 3658: 3653: 3648: 3643: 3642: 3641: 3636: 3631: 3626: 3621: 3611: 3609:Computable set 3606: 3601: 3596: 3591: 3585: 3583: 3577: 3576: 3574: 3573: 3568: 3563: 3558: 3553: 3548: 3543: 3538: 3537: 3536: 3531: 3526: 3516: 3511: 3506: 3504:Satisfiability 3501: 3496: 3491: 3490: 3489: 3479: 3478: 3477: 3467: 3466: 3465: 3460: 3455: 3450: 3445: 3435: 3434: 3433: 3428: 3421:Interpretation 3417: 3415: 3409: 3408: 3406: 3405: 3400: 3395: 3390: 3385: 3375: 3370: 3369: 3368: 3367: 3366: 3356: 3351: 3341: 3336: 3331: 3326: 3321: 3316: 3310: 3308: 3302: 3301: 3298: 3297: 3295: 3294: 3286: 3285: 3284: 3283: 3278: 3277: 3276: 3271: 3266: 3246: 3245: 3244: 3242:minimal axioms 3239: 3228: 3227: 3226: 3215: 3214: 3213: 3208: 3203: 3198: 3193: 3188: 3175: 3173: 3154: 3153: 3151: 3150: 3149: 3148: 3136: 3131: 3130: 3129: 3124: 3119: 3114: 3104: 3099: 3094: 3089: 3088: 3087: 3082: 3072: 3071: 3070: 3065: 3060: 3055: 3045: 3040: 3039: 3038: 3033: 3028: 3018: 3017: 3016: 3011: 3006: 3001: 2996: 2991: 2981: 2976: 2971: 2966: 2965: 2964: 2959: 2954: 2949: 2939: 2934: 2932:Formation rule 2929: 2924: 2923: 2922: 2917: 2907: 2906: 2905: 2895: 2890: 2885: 2880: 2874: 2868: 2851:Formal systems 2847: 2846: 2843: 2842: 2840: 2839: 2834: 2829: 2824: 2819: 2814: 2809: 2804: 2799: 2794: 2793: 2792: 2787: 2776: 2774: 2770: 2769: 2767: 2766: 2765: 2764: 2754: 2749: 2748: 2747: 2740:Large cardinal 2737: 2732: 2727: 2722: 2717: 2703: 2702: 2701: 2696: 2691: 2676: 2674: 2664: 2663: 2661: 2660: 2659: 2658: 2653: 2648: 2638: 2633: 2628: 2623: 2618: 2613: 2608: 2603: 2598: 2593: 2588: 2583: 2577: 2575: 2568: 2567: 2565: 2564: 2563: 2562: 2557: 2552: 2547: 2542: 2537: 2529: 2528: 2527: 2522: 2512: 2507: 2505:Extensionality 2502: 2500:Ordinal number 2497: 2487: 2482: 2481: 2480: 2469: 2463: 2457: 2456: 2453: 2452: 2450: 2449: 2444: 2439: 2434: 2429: 2424: 2419: 2418: 2417: 2407: 2406: 2405: 2392: 2390: 2384: 2383: 2381: 2380: 2379: 2378: 2373: 2368: 2358: 2353: 2348: 2343: 2338: 2333: 2327: 2325: 2319: 2318: 2316: 2315: 2310: 2305: 2300: 2295: 2290: 2285: 2284: 2283: 2273: 2268: 2263: 2258: 2253: 2248: 2242: 2240: 2231: 2225: 2224: 2222: 2221: 2216: 2211: 2206: 2201: 2196: 2184:Cantor's  2182: 2177: 2172: 2162: 2160: 2147: 2146: 2144: 2143: 2138: 2133: 2128: 2123: 2118: 2113: 2108: 2103: 2098: 2093: 2088: 2083: 2082: 2081: 2070: 2068: 2064: 2063: 2058: 2056: 2055: 2048: 2041: 2033: 2027: 2026: 2015: 2014:External links 2012: 2011: 2010: 1989:Irving Anellis 1986: 1970: 1969: 1955: 1948: 1941: 1931: 1919:Hajnal AndrĂ©ka 1915: 1900: 1885: 1882: 1881: 1880: 1867: 1858: 1849: 1836: 1807: 1783: 1780: 1777: 1776: 1758:Helena Rasiowa 1750: 1736: 1719:Ernst Schröder 1711: 1698:Christine Ladd 1690: 1672: 1651: 1633: 1621:Clarence Lewis 1610: 1578: 1559: 1541: 1514:(3): 707–729. 1493: 1469: 1446: 1426: 1409: 1402: 1379: 1378: 1376: 1373: 1372: 1371: 1366: 1361: 1359:Codd's theorem 1356: 1349: 1346: 1316:by taking the 1298:Jacques Riguet 1294: 1293: 1288:Co-discovered 1286: 1280: 1252:logical matrix 1248:Helena Rasiowa 1235:Thoralf Skolem 1216:symbolic logic 1208:Giuseppe Peano 1190:Clarence Lewis 1163:Schröder rules 1159:Ernst Schröder 1103:Christine Ladd 1097:published his 1072:Loemker (1969) 1060:Louis Couturat 1056:Clarence Lewis 1041: 1038: 1035: 1034: 1025: 1019: 1018: 1013: 1006: 1005: 992: 986: 985: 980: 969: 968: 963: 953: 952: 947: 940: 939: 934: 928: 927: 922: 919:Intuitionistic 915: 914: 909: 902: 901: 896: 890: 889: 871: 830: 829: 822: 804: 790: 747: 744: 730: 727: 715: 710: 706: 703: 697: 691: 688: 682: 656: 650: 647: 641: 638: 632: 629: 603: 600: 594: 591: 585: 582: 556: 553: 547: 541: 538: 532: 505: 502: 486:to introduce 484:Ernst Schröder 449: 444: 440: 436: 433: 430: 415:total relation 387: 384: 381: 376: 372: 368: 346: 342: 313: 310: 307: 304: 299: 295: 278: 275: 243:presupposition 178: 175: 163:logical matrix 157:refers to the 85:A homogeneous 82: 79: 48:representation 29:free variables 15: 13: 10: 9: 6: 4: 3: 2: 3814: 3803: 3800: 3798: 3795: 3794: 3792: 3779: 3778: 3773: 3765: 3759: 3756: 3754: 3751: 3749: 3746: 3744: 3741: 3737: 3734: 3733: 3732: 3729: 3727: 3724: 3722: 3719: 3717: 3713: 3710: 3708: 3705: 3703: 3700: 3698: 3695: 3693: 3690: 3689: 3687: 3683: 3677: 3674: 3672: 3669: 3667: 3666:Recursive set 3664: 3662: 3659: 3657: 3654: 3652: 3649: 3647: 3644: 3640: 3637: 3635: 3632: 3630: 3627: 3625: 3622: 3620: 3617: 3616: 3615: 3612: 3610: 3607: 3605: 3602: 3600: 3597: 3595: 3592: 3590: 3587: 3586: 3584: 3582: 3578: 3572: 3569: 3567: 3564: 3562: 3559: 3557: 3554: 3552: 3549: 3547: 3544: 3542: 3539: 3535: 3532: 3530: 3527: 3525: 3522: 3521: 3520: 3517: 3515: 3512: 3510: 3507: 3505: 3502: 3500: 3497: 3495: 3492: 3488: 3485: 3484: 3483: 3480: 3476: 3475:of arithmetic 3473: 3472: 3471: 3468: 3464: 3461: 3459: 3456: 3454: 3451: 3449: 3446: 3444: 3441: 3440: 3439: 3436: 3432: 3429: 3427: 3424: 3423: 3422: 3419: 3418: 3416: 3414: 3410: 3404: 3401: 3399: 3396: 3394: 3391: 3389: 3386: 3383: 3382:from ZFC 3379: 3376: 3374: 3371: 3365: 3362: 3361: 3360: 3357: 3355: 3352: 3350: 3347: 3346: 3345: 3342: 3340: 3337: 3335: 3332: 3330: 3327: 3325: 3322: 3320: 3317: 3315: 3312: 3311: 3309: 3307: 3303: 3293: 3292: 3288: 3287: 3282: 3281:non-Euclidean 3279: 3275: 3272: 3270: 3267: 3265: 3264: 3260: 3259: 3257: 3254: 3253: 3251: 3247: 3243: 3240: 3238: 3235: 3234: 3233: 3229: 3225: 3222: 3221: 3220: 3216: 3212: 3209: 3207: 3204: 3202: 3199: 3197: 3194: 3192: 3189: 3187: 3184: 3183: 3181: 3177: 3176: 3174: 3169: 3163: 3158:Example  3155: 3147: 3142: 3141: 3140: 3137: 3135: 3132: 3128: 3125: 3123: 3120: 3118: 3115: 3113: 3110: 3109: 3108: 3105: 3103: 3100: 3098: 3095: 3093: 3090: 3086: 3083: 3081: 3078: 3077: 3076: 3073: 3069: 3066: 3064: 3061: 3059: 3056: 3054: 3051: 3050: 3049: 3046: 3044: 3041: 3037: 3034: 3032: 3029: 3027: 3024: 3023: 3022: 3019: 3015: 3012: 3010: 3007: 3005: 3002: 3000: 2997: 2995: 2992: 2990: 2987: 2986: 2985: 2982: 2980: 2977: 2975: 2972: 2970: 2967: 2963: 2960: 2958: 2955: 2953: 2950: 2948: 2945: 2944: 2943: 2940: 2938: 2935: 2933: 2930: 2928: 2925: 2921: 2918: 2916: 2915:by definition 2913: 2912: 2911: 2908: 2904: 2901: 2900: 2899: 2896: 2894: 2891: 2889: 2886: 2884: 2881: 2879: 2876: 2875: 2872: 2869: 2867: 2863: 2858: 2852: 2848: 2838: 2835: 2833: 2830: 2828: 2825: 2823: 2820: 2818: 2815: 2813: 2810: 2808: 2805: 2803: 2802:Kripke–Platek 2800: 2798: 2795: 2791: 2788: 2786: 2783: 2782: 2781: 2778: 2777: 2775: 2771: 2763: 2760: 2759: 2758: 2755: 2753: 2750: 2746: 2743: 2742: 2741: 2738: 2736: 2733: 2731: 2728: 2726: 2723: 2721: 2718: 2715: 2711: 2707: 2704: 2700: 2697: 2695: 2692: 2690: 2687: 2686: 2685: 2681: 2678: 2677: 2675: 2673: 2669: 2665: 2657: 2654: 2652: 2649: 2647: 2646:constructible 2644: 2643: 2642: 2639: 2637: 2634: 2632: 2629: 2627: 2624: 2622: 2619: 2617: 2614: 2612: 2609: 2607: 2604: 2602: 2599: 2597: 2594: 2592: 2589: 2587: 2584: 2582: 2579: 2578: 2576: 2574: 2569: 2561: 2558: 2556: 2553: 2551: 2548: 2546: 2543: 2541: 2538: 2536: 2533: 2532: 2530: 2526: 2523: 2521: 2518: 2517: 2516: 2513: 2511: 2508: 2506: 2503: 2501: 2498: 2496: 2492: 2488: 2486: 2483: 2479: 2476: 2475: 2474: 2471: 2470: 2467: 2464: 2462: 2458: 2448: 2445: 2443: 2440: 2438: 2435: 2433: 2430: 2428: 2425: 2423: 2420: 2416: 2413: 2412: 2411: 2408: 2404: 2399: 2398: 2397: 2394: 2393: 2391: 2389: 2385: 2377: 2374: 2372: 2369: 2367: 2364: 2363: 2362: 2359: 2357: 2354: 2352: 2349: 2347: 2344: 2342: 2339: 2337: 2334: 2332: 2329: 2328: 2326: 2324: 2323:Propositional 2320: 2314: 2311: 2309: 2306: 2304: 2301: 2299: 2296: 2294: 2291: 2289: 2286: 2282: 2279: 2278: 2277: 2274: 2272: 2269: 2267: 2264: 2262: 2259: 2257: 2254: 2252: 2251:Logical truth 2249: 2247: 2244: 2243: 2241: 2239: 2235: 2232: 2230: 2226: 2220: 2217: 2215: 2212: 2210: 2207: 2205: 2202: 2200: 2197: 2195: 2191: 2187: 2183: 2181: 2178: 2176: 2173: 2171: 2167: 2164: 2163: 2161: 2159: 2153: 2148: 2142: 2139: 2137: 2134: 2132: 2129: 2127: 2124: 2122: 2119: 2117: 2114: 2112: 2109: 2107: 2104: 2102: 2099: 2097: 2094: 2092: 2089: 2087: 2084: 2080: 2077: 2076: 2075: 2072: 2071: 2069: 2065: 2061: 2054: 2049: 2047: 2042: 2040: 2035: 2034: 2031: 2025: 2021: 2018: 2017: 2013: 2009: 2005: 2002: 1998: 1994: 1990: 1987: 1984: 1980: 1977: 1976: 1975: 1974: 1967: 1963: 1959: 1958:Willard Quine 1956: 1953: 1949: 1946: 1942: 1939: 1934: 1928: 1924: 1920: 1916: 1914: 1909: 1903: 1897: 1893: 1888: 1887: 1883: 1877: 1873: 1868: 1864: 1859: 1855: 1850: 1846: 1842: 1837: 1833: 1829: 1825: 1821: 1817: 1813: 1808: 1798:on 2009-04-02 1797: 1793: 1792: 1786: 1785: 1781: 1774: 1773:0-88385-109-1 1770: 1767: 1763: 1759: 1754: 1751: 1748: 1747: 1740: 1737: 1734: 1730: 1729:B. G. Teubner 1726: 1725: 1720: 1715: 1712: 1709: 1705: 1704: 1699: 1694: 1691: 1687: 1686: 1681: 1676: 1673: 1670: 1666: 1665: 1660: 1655: 1652: 1648: 1647: 1642: 1637: 1634: 1630: 1626: 1622: 1617: 1615: 1611: 1608: 1604: 1600: 1599: 1594: 1593:Alfred Tarski 1589: 1587: 1585: 1583: 1579: 1576: 1572: 1571:Studia Logica 1568: 1563: 1560: 1557: 1553: 1550: 1545: 1542: 1537: 1533: 1529: 1525: 1521: 1517: 1513: 1509: 1508: 1503: 1497: 1494: 1491: 1487: 1483: 1479: 1473: 1470: 1467: 1463: 1460: 1456: 1450: 1447: 1444: 1443:3-540-56254-0 1440: 1436: 1430: 1427: 1423: 1419: 1413: 1410: 1405: 1399: 1395: 1391: 1384: 1381: 1374: 1370: 1367: 1365: 1362: 1360: 1357: 1355: 1352: 1351: 1347: 1345: 1343: 1339: 1335: 1334:Lenzen (2004) 1329: 1327: 1323: 1319: 1318:outer product 1315: 1311: 1307: 1306:N. M. Ferrers 1303: 1299: 1291: 1287: 1285: 1281: 1279: 1275: 1274: 1273: 1271: 1270:set theoretic 1267: 1266:Alfred Tarski 1263: 1259: 1255: 1253: 1249: 1246:According to 1244: 1242: 1241: 1236: 1232: 1227: 1225: 1221: 1217: 1213: 1209: 1205: 1204:Gottlob Frege 1201: 1197: 1195: 1191: 1187: 1183: 1179: 1175: 1171: 1166: 1164: 1160: 1156: 1152: 1148: 1144: 1140: 1136: 1132: 1128: 1124: 1120: 1116: 1112: 1108: 1104: 1100: 1096: 1092: 1088: 1084: 1080: 1075: 1073: 1069: 1065: 1061: 1057: 1053: 1047: 1039: 1033: 1029: 1026: 1024: 1021: 1020: 1017: 1014: 1012: 1008: 1007: 1004: 1000: 996: 993: 991: 988: 987: 984: 981: 979: 975: 971: 970: 967: 964: 962: 958: 955: 954: 951: 950:Modal algebra 948: 946: 942: 941: 938: 935: 933: 930: 929: 926: 923: 920: 917: 916: 913: 910: 908: 904: 903: 900: 897: 894: 893: 887: 883: 879: 875: 872: 869: 865: 862: 861: 860: 858: 853: 851: 847: 843: 839: 835: 827: 823: 820: 816: 812: 808: 805: 802: 798: 794: 791: 788: 787:open formulas 784: 780: 776: 772: 771: 770: 767: 765: 761: 757: 753: 745: 743: 741: 736: 728: 726: 713: 704: 701: 695: 686: 680: 654: 645: 639: 636: 627: 598: 592: 589: 580: 551: 545: 536: 530: 500: 489: 485: 481: 477: 472: 470: 467:use the term 466: 462: 447: 442: 438: 434: 431: 428: 420: 416: 412: 407: 385: 382: 379: 374: 370: 366: 344: 340: 311: 308: 305: 302: 297: 293: 276: 274: 272: 268: 260: 256: 248: 244: 240: 236: 230: 226: 222: 218: 214: 210: 206: 198: 195: 191: 188: 184: 176: 174: 172: 168: 164: 160: 156: 151: 148: 146: 142: 138: 134: 129: 125: 119: 115: 110: 106: 103:for some set 101: 97: 92: 88: 80: 78: 76: 72: 68: 63: 61: 57: 56:Stone duality 53: 49: 45: 41: 37: 32: 30: 26: 22: 3768: 3696: 3566:Ultraproduct 3413:Model theory 3378:Independence 3314:Formal proof 3306:Proof theory 3289: 3262: 3219:real numbers 3191:second-order 3102:Substitution 2979:Metalanguage 2920:conservative 2893:Axiom schema 2837:Constructive 2807:Morse–Kelley 2773:Set theories 2752:Aleph number 2745:inaccessible 2651:Grothendieck 2535:intersection 2422:Higher-order 2410:Second-order 2356:Truth tables 2313:Venn diagram 2096:Formal proof 1992: 1982: 1972: 1971: 1961: 1922: 1891: 1875: 1862: 1853: 1844: 1815: 1811: 1800:. Retrieved 1796:the original 1790: 1761: 1753: 1744: 1739: 1722: 1714: 1708:Google Books 1701: 1693: 1683: 1675: 1664:Formal Logic 1662: 1654: 1645: 1641:George Boole 1636: 1624: 1596: 1574: 1567:Roger Maddux 1562: 1549:Vaughn Pratt 1544: 1511: 1505: 1496: 1477: 1472: 1454: 1449: 1434: 1429: 1417: 1412: 1389: 1383: 1342:Zalta (2000) 1330: 1321: 1313: 1302:difunctional 1295: 1262:model theory 1258:Brady (2000) 1256: 1245: 1238: 1228: 1200:Hugh MacColl 1198: 1167: 1146: 1142: 1134: 1130: 1122: 1118: 1098: 1079:George Boole 1076: 1049: 943:Modal logic 854: 831: 826:Modus ponens 768: 764:order theory 749: 734: 732: 488:equivalences 473: 468: 408: 280: 266: 258: 254: 246: 245:of question 238: 234: 228: 224: 220: 216: 212: 208: 204: 196: 189: 180: 154: 152: 149: 140: 127: 123: 117: 113: 104: 99: 95: 84: 64: 33: 24: 18: 3676:Type theory 3624:undecidable 3556:Truth value 3443:equivalence 3122:non-logical 2735:Enumeration 2725:Isomorphism 2672:cardinality 2656:Von Neumann 2621:Ultrafilter 2586:Uncountable 2520:equivalence 2437:Quantifiers 2427:Fixed-point 2396:First-order 2276:Consistency 2261:Proposition 2238:Traditional 2209:Lindström's 2199:Compactness 2141:Type theory 2086:Cardinality 1878:3: 137-183. 1727:, Leibzig: 1669:Hathi Trust 1420:, page 10, 1338:metaphysics 1220:mathematics 1117:. For sets 819:truth value 801:connectives 729:Abstraction 237:holds when 219:holds when 3791:Categories 3487:elementary 3180:arithmetic 3048:Quantifier 3026:functional 2898:Expression 2616:Transitive 2560:identities 2545:complement 2478:hereditary 2461:Set theory 2024:PhilPapers 2008:0444885439 1802:2009-05-15 1721:, (1895), 1480:, page 8, 1375:References 1224:philosophy 1085:. In 1870 1044:See also: 1023:Set theory 937:MV-algebra 905:Classical 868:set theory 848:and other 797:operations 777:over some 273:dialogue. 253:runs from 187:statements 155:conversion 107:, while a 42:for these 3758:Supertask 3661:Recursion 3619:decidable 3453:saturated 3431:of models 3354:deductive 3349:axiomatic 3269:Hilbert's 3256:Euclidean 3237:canonical 3160:axiomatic 3092:Signature 3021:Predicate 2910:Extension 2832:Ackermann 2757:Operation 2636:Universal 2626:Recursive 2601:Singleton 2596:Inhabited 2581:Countable 2571:Types of 2555:power set 2525:partition 2442:Predicate 2388:Predicate 2303:Syllogism 2293:Soundness 2266:Inference 2256:Tautology 2158:paradoxes 1824:1079-8986 1601:6: 73–89 1310:transpose 1282:Invented 1139:power set 880:and most 844:thereof. 815:tautology 709:¯ 690:¯ 649:¯ 631:¯ 602:¯ 590:⊆ 584:¯ 555:¯ 546:⊆ 540:¯ 504:¯ 478:inspired 432:⊆ 380:⊆ 306:⊆ 277:Functions 194:questions 183:erotetics 167:transpose 137:inclusion 91:power set 3743:Logicism 3736:timeline 3712:Concrete 3571:Validity 3541:T-schema 3534:Kripke's 3529:Tarski's 3524:semantic 3514:Strength 3463:submodel 3458:spectrum 3426:function 3274:Tarski's 3263:Elements 3250:geometry 3206:Robinson 3127:variable 3112:function 3085:spectrum 3075:Sentence 3031:variable 2974:Language 2927:Relation 2888:Automata 2878:Alphabet 2862:language 2716:-jection 2694:codomain 2680:Function 2641:Universe 2611:Infinite 2515:Relation 2298:Validity 2288:Argument 2186:theorem, 2001:Elsevier 1981:, 2000. 1700:(1883), 1682:(1879), 1661:(1847), 1575:: 421-55 1348:See also 1186:textbook 1174:logicism 1168:In 1903 1127:relation 1064:Nachlass 1011:equality 972:Lewis's 807:Formulas 754:, often 419:function 121:, where 3685:Related 3482:Diagram 3380: ( 3359:Hilbert 3344:Systems 3339:Theorem 3217:of the 3162:systems 2942:Formula 2937:Grammar 2853: ( 2797:General 2510:Forcing 2495:Element 2415:Monadic 2190:paradox 2131:Theorem 2067:General 1832:3094793 1782:Sources 1623:(1918) 1554:, from 1536:0037278 1528:1969375 1052:Leibniz 1040:History 834:logical 672:,  469:mapping 215:α 177:Example 3448:finite 3211:Skolem 3164:  3139:Theory 3107:Symbol 3097:String 3080:atomic 2957:ground 2952:closed 2947:atomic 2903:ground 2866:syntax 2762:binary 2689:domain 2606:Finite 2371:finite 2229:Logics 2188:  2136:Theory 2006:  1999:& 1929:  1898:  1830:  1822:  1771:  1534:  1526:  1488:  1464:  1441:  1400:  1222:, and 1210:, and 760:logics 490:using 324:where 36:models 3438:Model 3186:Peano 3043:Proof 2883:Arity 2812:Naive 2699:image 2631:Fuzzy 2591:Empty 2540:union 2485:Class 2126:Model 2116:Lemma 2074:Axiom 1938:Draft 1828:JSTOR 1524:JSTOR 1184:in a 1129:over 957:Lewis 846:Modal 793:Terms 417:is a 241:is a 3561:Type 3364:list 3168:list 3145:list 3134:Term 3068:rank 2962:open 2856:list 2668:Maps 2573:sets 2432:Free 2402:list 2152:list 2079:list 2004:ISBN 1927:ISBN 1896:ISBN 1820:ISSN 1769:ISBN 1731:via 1706:via 1486:ISBN 1462:ISBN 1439:ISBN 1398:ISBN 1233:and 1133:and 1125:, a 1121:and 1081:and 1070:and 733:The 482:and 463:and 192:and 153:The 54:and 3248:of 3230:of 3178:of 2710:Sur 2684:Map 2491:Ur- 2473:Set 2022:at 1874:," 1603:doi 1516:doi 1324:of 1188:by 1141:of 959:'s 886:ZFC 840:or 785:or 257:to 207:to 143:or 133:bit 93:of 77:). 62:). 19:In 3793:: 3634:NP 3258:: 3252:: 3182:: 2859:), 2714:Bi 2706:In 1964:, 1826:. 1814:. 1643:, 1627:, 1613:^ 1581:^ 1573:50 1532:MR 1530:. 1522:. 1512:51 1510:. 1344:. 1328:. 1226:. 1218:, 1206:, 1202:, 1093:. 1066:. 1030:, 1001:, 997:, 976:, 974:S5 961:S4 766:. 742:. 406:. 211:: 147:. 126:≠ 116:× 98:× 31:. 23:, 3714:/ 3629:P 3384:) 3170:) 3166:( 3063:∀ 3058:! 3053:∃ 3014:= 3009:↔ 3004:→ 2999:∧ 2994:√ 2989:ÂŹ 2712:/ 2708:/ 2682:/ 2493:) 2489:( 2376:∞ 2366:3 2154:) 2052:e 2045:t 2038:v 1968:. 1940:. 1935:. 1904:. 1834:. 1816:9 1805:. 1605:: 1538:. 1518:: 1406:. 1292:. 1147:B 1145:× 1143:A 1135:B 1131:A 1123:B 1119:A 945:K 888:. 870:; 821:; 803:; 789:; 714:. 705:A 702:f 696:= 687:A 681:f 670:f 655:. 646:I 640:R 637:= 628:R 599:I 593:R 581:R 552:R 537:I 531:R 521:R 501:R 448:. 443:T 439:R 435:R 429:I 404:R 400:I 386:, 383:I 375:T 371:R 367:R 345:T 341:R 330:R 326:I 312:, 309:I 303:R 298:T 294:R 283:R 267:S 263:π 259:Q 255:S 251:π 247:q 239:p 235:p 232:π 229:q 225:q 221:a 217:a 213:q 209:S 205:Q 201:π 197:Q 190:S 128:Y 124:X 118:Y 114:X 105:X 100:X 96:X 73:(

Index

mathematical logic
free variables
models
algebraic semantics
deductive systems
representation
representation theorem for Boolean algebras
Stone duality
Czelakowski 2003
abstract algebraic logic
Leibniz operator
Czelakowski 2003
binary relation
power set
heterogeneous relation
bit
inclusion
composition of relations
converse relation
logical matrix
transpose
matrix multiplication
erotetics
statements
questions
presupposition
Socratic method
partial function
total relation
function

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