File:Minkowski'sQuestionMarkLessTheIdentity.png

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Description	English: Minkowski's question mark less the identity: ?(x)-x Català: Funció signe d'interrogació menys la identitat: ?(x)-x Español: Función de signo de interrogación de Minkowski menos la identidad: $?(x)-x$
Date	8/11/07
Source	enwp
Author	Aominux

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Original upload log

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2006-06-13 21:21 Aominux 1024×146× (3820 bytes) I made this using Mathematica 5.1

File history

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	Date/Time	Dimensions	User	Comment
current	19:43, 5 January 2014	1,024 × 146 (2 KB)	Xoneca	pngcrush'd (size reduced)
	22:30, 23 April 2012	1,024 × 146 (4 KB)	OgreBot	(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2006-06-13 21:21:22 by Aominux
	12:44, 8 November 2007	800 × 114 (17 KB)	Meldor	{{Information \|Description={{en}} Minkowski's question mark less the identity: ?(x)-x {{ca}} Funció signe d'interrogació menys la identitat: ?(x)-x \|Source=enwp \|Date=8/11/07 \|Author=Aominux \|other_versions=On enwp. }} {{PD-user-en