PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: fun with inv2 is surj rev

  A,B:Type, f:(AB), g:(BA). InvFuns(A;B;f;g Surj(BAg)

By: Auto
THEN
Use:[f] BackThru: Thm*  InvFuns(A;B;f;g Surj(ABf)
THEN
BackThru: Thm*  InvFuns(A;B;f;g InvFuns(B;A;g;f)


Generated subgoals:

None

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

PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc