Example:Non-injective

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Revision as of 13:01, 18 February 2018 by {{GENDER:Mdg39|[math]'"2}} [/math]'"7
(<math>1) </math>2 | <math>3 (</math>4) | <math>5 (</math>6)

The following function is not injective:

Fun-a1b2c2.svg

because [math]f(b) [/math] and [math]f(c) [/math] are both 2 (but [math]b \neq c [/math]).