DescriptionNINS then NIS.png	English: An illustration of two functions/mappings: the left is neither injective nor surjective and the right is non-injective and surjective.
Date	28 June 2005
Source	Transferred from en.wikipedia to Commons.
Author	Jacj at English Wikipedia
Permission (Reusing this file)	Public domainPublic domainfalsefalse This work has been released into the public domain by its author, Jacj at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: Jacj grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse

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Original upload log

• 2005-06-28 04:36 Jacj 658×349× (21701 bytes) Uploading again with the letter shrunk a bit to 44pt Verdana.
• 2005-06-28 03:52 Jacj 658×349× (21707 bytes) Re-uploading in [[greyscale]] instead of [[RGB]]. {{PD-user|Jacj}}
• 2005-06-28 02:59 Jacj 658×349× (31052 bytes) An illustration of two functions/mappings: the left is neither injective nor surjective and the right is non-injective and surjective.