(19steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: nat to nat pair surj 1 1

  k,x,y:x+y = k  (a:. nat_to_nat_pair(a) = <x,y>)

By: 2 Times (CompNatInd Concl)


Generated subgoal:

1 1. k : 
2. k1:k1<k  (x,y:x+y = k1  (a:. nat_to_nat_pair(a) = <x,y>))
3. x : 
4. x1:x1<x  (y:x1+y = k  (a:. nat_to_nat_pair(a) = <x1,y>))
5. y : 
6. x+y = k
  a:. nat_to_nat_pair(a) = <x,y>

14 steps

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

(19steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc