(9steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
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At: nat to nat pair inj
  Inj(; ; nat_to_nat_pair)
By: Def THEN CompNatInd Concl THEN CBV-3: u

Generated subgoal:

1 1. a1 : 
2. u:. u<a1  (a3:. nat_to_nat_pair(u) = nat_to_nat_pair(a3)  u = a3)
3. a2 : 
4. nat_to_nat_pair(a1) = nat_to_nat_pair(a2)
  a1 = a2
8 steps

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

(9steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc