(7steps total) PfGloss PrintForm Definitions LogicSupplement Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: no prop iff its neg 1 1
1. P : Prop
2. P  P
  P
By: Analyze

Generated subgoal:

1 3. P
  False
2 steps

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

(7steps total) PfGloss PrintForm Definitions LogicSupplement Sections DiscrMathExt Doc