(7steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: inv pair iff ooc 1

1. A : Type
2. B : Type
  ((AB))  (A ~ B)


By: Def of AB | A ~ B


Generated subgoals:

1 3. {fg:((AB)(BA))| fg/f,g. InvFuns(A;B;f;g) }
  f:(AB), g:(BA). InvFuns(A;B;f;g)

2 steps
2 3. f:(AB), g:(BA). InvFuns(A;B;f;g)
  {fg:((AB)(BA))| fg/f,g. InvFuns(A;B;f;g) }

3 steps

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

(7steps total) PrintForm Definitions DiscreteMath Sections DiscrMathExt Doc