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It says that the Tetris
Company has a copyright and trademark on the shapes. I'm pretty sure it has neither. I believe it has a trademark for the name Tetrimino rather, and has won a lawsuit on the basis of trade dress (meaning colors and style of Tetrominos). While I don't know the specifics of the
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There's conflicting information in this article. In the "The seven tetrominoes", it says S is a free tetrominoe, while in the "Tiling the rectangle and filling the box with 2D pieces" it says Z is a free tetrominoe. The organization of the content also does not coincide with the organization of the
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A Google search supports your contention: "tetromino" seems to be by far the predominant term, and mentions of "tetrimino" occur almost entirely in association with Tetris. Unfortunately I do not find either term in a dictionary. The former is also the term used in
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I like Tetris as much as the next guy, but I don't think this article benefits from a table showing how different versions of Tetris colour the
Tetronimoes. That doesn't have anything to do with Tetronimoes in general so shouldn't be in this article in my opinion.
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It is also worth mentioning that the original tetrominoes do not have 7 pieces, as the chiral pieces are not duplicated. But maybe mathematics, subject to fashions and fads like everything else seems to be, has had the rules
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1730:. Nobody actually calls them that. Or, more precisely, there are a few low-citation papers on Google scholar that use that spelling, perhaps as a typographical error, but about 10x as many that use the same spelling we do. —
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The link on this page to the article "Chiral" redirects to a disambiguation. Can anyone fix this? I would really like to do it my self, but I myself have no idea which chirality I should be linking to.
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I thought that all polyominoes, including tetrominoes, are two-dimensional shapes composed of squares. Some of the "tetrominoes" in this article are three-dimensional and composed of cubes.
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Why is there no information on the origin of tetramino??? As a concept and geometric idea, it had to be conceived by someone somewhere. Is this knowledge not yet known in this day and age?
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1701:. The Tetris Company can use whatever name they like, but that is no reason for us to abandon standard polyomino naming conventions.
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I've moved it back. I've also changed "Tetrimino" in the article to "tetromino" everywhere (note both spelling and capitalization).
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Tetracubes have an interesting property: any of them can be "doubled" using the full set of 8 unique pieces. See, for example,
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Since Tetris was mentioned as an example for the usage of tetrominoes, the we might want to mention
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I agree it should be moved back. "Tetromino" is by far more the standard spelling in mathematics. —
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on
Knowledge. If you would like to participate, please visit the project page, where you can join
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To make a long story short, the Tetris
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of tetriminoes, the shape, color, etc, and eventually copyrighted and trademarked all aspects.
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S, N, and Z are all names for the same free tetromino. I just clarified this in the article. --
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We can report what independent reliable sources directly say about
Tetrominoes. We call this "
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law, I'm pretty sure that doesn't mean it has either a trademark or copyright on the shapes.
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for tetracubes. I'm not a native english speaker so this may be done by someone else :) --
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I've cleaned up most of the confusion between tetrominoes and tetracubes. Any left? --
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I have to ask, what is the encyclopedic interest of the “Filling the box” sections? —
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images; they're not in the same order as one would except to see while reading.
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215:
207:
196:
194:
191:
187:
186:
182:
176:
173:
170:
166:
153:
149:
143:
140:
139:
136:
119:
115:
111:
110:
102:
96:
91:
89:
86:
82:
81:
77:
71:
68:
65:
61:
56:
52:
46:
38:
34:
29:
28:
19:
1791:
1775:67.14.236.50
1772:
1754:
1747:
1715:
1694:
1681:108.65.81.68
1669:
1652:
1651:
1639:
1637:
1625:
1618:
1557:
1556:
1533:
1532:
1514:
1455:WestwoodMatt
1449:— Preceding
1442:
1377:
1358:
1331:
1281:
1273:
1243:
1204:
1173:
1096:reassessment
1074:
1056:
1044:
1032:
1020:
1008:
972:
958:
944:
930:
916:
902:
888:
874:
860:
846:
832:
818:
804:
790:
776:
752:
738:
735:Pixel Piracy
724:
721:Miner 2049er
710:
666:
652:
638:
611:
599:
587:
501:
498:participants
495:
491:Ryo Sakazaki
482:
479:participants
476:
463:
457:
444:
441:participants
438:
428:participants
425:
415:participants
412:
402:participants
399:
389:participants
386:
376:participants
373:
363:participants
360:
350:participants
347:
252:
212:
148:Low-priority
147:
107:
73:Low‑priority
51:WikiProjects
1760:move review
1699:polyominoes
1631:move review
1335:—Preceding
1292:74.75.27.41
1286:—Preceding
1207:—Preceding
1181:—Preceding
1120:screenshots
801:Async Corp.
635:Donkey Kong
527:Screen Rant
460:participant
283:Summary of
272:open tasks:
268:Summary of
228:Video games
219:video games
175:Video games
123:Mathematics
114:mathematics
70:Mathematics
41:Start-class
1814:Categories
1399:ἀνυπόδητος
1257:Tetriswiki
1170:Tetracubes
1082:assessment
871:River Raid
588:The Sims 4
551:discussion
541:discussion
531:discussion
521:discussion
472:Butterfree
369:Cue Club 2
287:open tasks
1676:Tetrimino
1671:Tetromino
1640:not moved
1589:5 pillars
1415:Polyomino
1391:Polyomino
1387:Pentomino
1383:Tetrimino
1379:Tetromino
1114:cover art
1108:infoboxes
749:Ether One
697:Justin Yu
600:Smash Hit
382:GeneRally
1798:Bunny99s
1794:Blockout
1463:contribs
1451:unsigned
1444:changed.
1337:unsigned
1300:contribs
1288:unsigned
1209:unsigned
1195:contribs
1183:unsigned
1138:creation
577:Ada Wong
503:relisted
484:relisted
465:relisted
453:Dokibird
446:relisted
1653:Andy W.
1419:Quondum
1355:Origins
1143:merging
1122:(8,822)
1102:cleanup
969:Kleavor
899:Pikachu
343:Kleavor
317:vg talk
307:history
255:on the
150:on the
1728:WP:NOR
1726:, and
1695:Oppose
1395:Tetris
1328:Chiral
1247:Pelago
1126:photos
1057:Tetris
941:Meltan
322:alerts
47:scale.
1424:contr
1361:Laval
1318:stalk
1134:(189)
1116:(251)
975:start
961:start
947:start
933:start
919:start
905:start
891:start
877:start
863:start
849:start
835:start
821:start
807:start
793:start
779:start
755:start
741:start
727:start
713:start
677:Birdo
669:start
655:start
641:start
327:purge
312:shell
297:watch
1802:talk
1779:talk
1736:talk
1718:per
1707:talk
1703:Ozob
1685:talk
1660:talk
1591:. -
1567:talk
1558:idea
1543:talk
1534:idea
1522:talk
1499:talk
1495:Ozob
1481:talk
1459:talk
1403:talk
1365:talk
1345:talk
1314:talk
1296:talk
1259:. --
1217:talk
1191:talk
1128:(66)
1110:(19)
337:AfDs
302:edit
292:view
1752:.
1599:PhD
1596:mer
1593:Sum
1104:(8)
1098:(0)
1088:) (
1063:rev
1050:rev
1038:nom
1026:nom
1014:nom
767:nom
701:nom
691:nom
681:nom
617:nom
605:nom
593:nom
581:nom
247:Low
142:Low
1816::
1804:)
1781:)
1738:)
1722:,
1709:)
1687:)
1673:→
1663:)
1649:—
1623:.
1569:)
1545:)
1524:)
1501:)
1483:)
1465:)
1461:•
1405:)
1389:,
1367:)
1347:)
1320:)
1316:|
1302:)
1298:•
1267:)
1232:)
1219:)
1197:)
1193:•
500:;
481:;
462:;
443:;
1800:(
1777:(
1734:(
1705:(
1683:(
1657:(
1647:)
1643:(
1565:(
1541:(
1520:(
1497:(
1479:(
1457:(
1401:(
1363:(
1343:(
1312:(
1294:(
1265:☎
1263:(
1230:☎
1228:(
1215:(
1189:(
1092:)
1090:4
1086:1
1084:(
1065:)
1061:(
1052:)
1048:(
1040:)
1036:(
1028:)
1024:(
1016:)
1012:(
979:)
971:(
965:)
957:(
951:)
943:(
937:)
929:(
923:)
915:(
909:)
901:(
895:)
887:(
881:)
873:(
867:)
859:(
853:)
845:(
839:)
831:(
825:)
817:(
811:)
803:(
797:)
789:(
783:)
775:(
769:)
765:(
759:)
751:(
745:)
737:(
731:)
723:(
717:)
709:(
703:)
699:(
693:)
689:(
683:)
679:(
673:)
665:(
659:)
651:(
645:)
637:(
619:)
615:(
607:)
603:(
595:)
591:(
583:)
579:(
553:)
549:(
543:)
539:(
533:)
529:(
523:)
519:(
506:)
496:7
493:(
487:)
477:9
474:(
468:)
458:1
455:(
449:)
439:2
436:(
430:)
426:3
423:(
417:)
413:6
410:(
404:)
400:3
397:(
391:)
387:2
384:(
378:)
374:2
371:(
365:)
361:4
358:(
352:)
348:6
345:(
259:.
154:.
53::
20:)
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