(3steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: card nat vs nat nat 1

  f:(). Bij(f)

By: Witness: nat_to_nat_pair


Generated subgoal:

1   Bij(; nat_to_nat_pair)
1 step

About:
productfunctionexists
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(3steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc