Knowledge (XXG)

Horseshoe (symbol)

Source 📝

474: 463: 192: 185: 178: 113: 357: 352: 25: 341: 497: 152: 70: 54: 202: 161: 118: 79: 473: 289: 277: 50: 434: 243: 231: 478: 406: 402: 467: 377: 16:
This article is about the mathematical logic and sets symbol "⊃". For the set symbol "⊂", see
420: 416: 156: 74: 446: 442: 430: 328: 324: 316: 302: 273: 217: 491: 394: 389: 372: 368: 239: 312: 63: 227: 21: 336: 265: 251: 170: 385: 84: 294: 59: 43: 17: 123: 261: 133: 128: 174: 39: 186: 8: 211: 193: 179: 171: 20:. For symbology of iron horseshoes, see 145: 102:⊃, ⊃, ⊃ 7: 14: 472: 461: 1: 114:List of mathematical symbols 514: 26:horseshoe (disambiguation) 15: 458: 209: 479:Mathematics portal 87:the symbol is encoded 24:. For other uses, see 468:Philosophy portal 162:Principia Mathematica 119:List of logic symbols 80:Principia Mathematica 51:Material conditional 55:propositional logic 46:used to represent: 485: 484: 453: 452: 157:Russell, Bertrand 505: 477: 476: 466: 465: 464: 310: 259: 225: 212: 195: 188: 181: 172: 165: 150: 103: 99: 96: 93: 91: 513: 512: 508: 507: 506: 504: 503: 502: 488: 487: 486: 481: 471: 470: 462: 460: 454: 449: 445: 437: 433: 425: 422: 419: 411: 408: 405: 397: 393: 388: 380: 376: 371: 363: 362: 359: 355: 347: 346: 343: 339: 331: 327: 319: 315: 306: 297: 293: 288: 280: 276: 268: 264: 255: 246: 242: 234: 230: 221: 205: 203:logical symbols 199: 169: 168: 153:Whitehead, A.N. 151: 147: 142: 110: 101: 97: 94: 89: 88: 69:It was used by 29: 12: 11: 5: 511: 509: 501: 500: 490: 489: 483: 482: 459: 456: 455: 451: 450: 441: 440: 438: 429: 428: 426: 415: 414: 412: 401: 400: 398: 384: 383: 381: 367: 366: 364: 360:quantification 356: 351: 350: 348: 344:quantification 340: 335: 334: 332: 323: 322: 320: 301: 300: 298: 284: 283: 281: 272: 271: 269: 250: 249: 247: 238: 237: 235: 216: 215: 210: 207: 206: 200: 198: 197: 190: 183: 175: 167: 166: 144: 143: 141: 138: 137: 136: 131: 126: 121: 116: 109: 106: 67: 66: 57: 13: 10: 9: 6: 4: 3: 2: 510: 499: 498:Logic symbols 496: 495: 493: 480: 475: 469: 457: 448: 444: 439: 436: 432: 427: 424: 418: 413: 410: 404: 399: 396: 395:contradiction 391: 387: 382: 379: 374: 370: 365: 361: 354: 349: 345: 338: 333: 330: 326: 321: 318: 314: 309: 304: 299: 296: 291: 287: 282: 279: 275: 270: 267: 263: 258: 253: 248: 245: 241: 236: 233: 229: 224: 219: 214: 213: 208: 204: 196: 191: 189: 184: 182: 177: 176: 173: 164: 163: 158: 154: 149: 146: 139: 135: 132: 130: 127: 125: 122: 120: 117: 115: 112: 111: 107: 105: 86: 82: 81: 76: 72: 65: 61: 58: 56: 52: 49: 48: 47: 45: 41: 38:, \supset in 37: 33: 27: 23: 19: 307: 285: 256: 222: 160: 148: 78: 68: 35: 31: 30: 358:existential 98:SUPERSET OF 140:References 64:set theory 435:therefore 423:therefore 378:tautology 342:universal 71:Whitehead 32:Horseshoe 22:horseshoe 492:Category 421:entails, 407:entails, 295:superset 108:See also 95:⊃ 60:Superset 447:because 311:  290:implies 278:implies 260:  226:  201:Common 85:Unicode 75:Russell 42:) is a 409:proves 305:  254:  220:  155:, and 92: 90:U+2283 44:symbol 18:subset 390:false 228:& 83:. In 373:true 329:nand 73:and 317:iff 266:not 232:and 104:). 77:in 62:in 53:in 40:TeX 494:: 308:or 257:or 244:or 223:or 159:, 443:∵ 431:∴ 417:⊨ 403:⊢ 392:, 386:⊥ 375:, 369:⊤ 353:∃ 337:∀ 325:| 313:≡ 303:↔ 292:, 286:⊃ 274:→ 262:~ 252:¬ 240:∨ 218:∧ 194:e 187:t 180:v 134:Ω 129:ʊ 124:⊂ 100:( 36:⊃ 34:( 28:.

Index

subset
horseshoe
horseshoe (disambiguation)
TeX
symbol
Material conditional
propositional logic
Superset
set theory
Whitehead
Russell
Principia Mathematica
Unicode
List of mathematical symbols
List of logic symbols

ʊ
Ω
Whitehead, A.N.
Russell, Bertrand
Principia Mathematica
v
t
e
logical symbols

&
and

or

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.