(27steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: nsub bij ooc invpair 1 1

1. a : 
  (f.<f,y.least x:f(x)=y>)  (a bij a)aa


By: Auto


Generated subgoal:

1 2. f : a bij a
  <f,y.least x:f(x)=y aa

5 steps

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

(27steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc