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Bijections and one-one correspondence functions are the same.

At: bij iff is 1 1 corr

  A,B:Type, f:(AB). Bij(A; B; f)  f is 1-1 corr
By: UnivCD

Generated subgoal:

1 1. A : Type
2. B : Type
3. f : AB
  Bij(A; B; f)  f is 1-1 corr
4 steps

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(5steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc