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Who Cites surject?
surjectDef  Surj(A; B; f) == b:B. a:A. f(a) = b
Thm*  A,B:Type, f:(AB). Surj(A; B; f)  Prop

Syntax:Surj(A; B; f) has structure: surject(A; B; f)

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WhoCites Definitions DiscreteMath Sections DiscrMathExt Doc