(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. P : Prop
2. P  P
  False


By: P  Asserted


Generated subgoals:

1   P
3 steps
2 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