File:Halmos Unicode.png

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English: The tombstone, halmos, or end of proof mark "∎" is used in mathematics to denote the end of a proof, in place of the traditional abbreviation "QED" for the Latin phrase "quod erat demonstrandum" (Q.E.D.).
Polski: Znak końca dowodu - Znak matematyczny, potocznie zwany halmosem i oznaczający koniec dowodu twierdzenia, zastępujący skrót ckd. "co kończy dowód" lub cnd. "co należało dowieść" (łac. QED "quod erat demonstrandum").
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Author Paweł Benetkiewicz
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(Reusing this file)		 Unicode

∎ (unicode U+220E, "End of Proof")

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current20:26, 29 October 2011Thumbnail for version as of 20:26, 29 October 2011923 × 921 (513 bytes)Pawel.Benetkiewicz (talk | contribs)

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