(8steps total) PrintForm Definitions Lemmas LogicSupplement Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: decbl iff some bool 2

1. P : Prop
2. b:b  P
  Dec(P)


By: Analyze-1


Generated subgoal:

1 2. b : 
3. b  P
  Dec(P)

1 step

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

(8steps total) PrintForm Definitions Lemmas LogicSupplement Sections DiscrMathExt Doc