(11steps total) PrintForm Definitions NuprlPrimitives Sections NuprlLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: sfa doc iff via so 1 2

1. A : Prop
2. B : Prop
3. C:Prop. ((A  B (B  A C C
  A  B


By: BackThru: Hyp:-1


Generated subgoal:

1   (A  B (B  A (A  B)
4 steps

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

(11steps total) PrintForm Definitions NuprlPrimitives Sections NuprlLIB Doc