(13steps total) PrintForm Definitions Lemmas LogicSupplement Sections DiscrMathExt Doc
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At: decidable cand 1 1 1 1

1. P : Prop
2. Q : Prop(given P)
3. P
4. Dec(Q)
5. Q  Prop
  Dec(P & Q)


By: SimilarTo: Hyp:4


Generated subgoal:

1 6. P & Q
  Q

1 step

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

(13steps total) PrintForm Definitions Lemmas LogicSupplement Sections DiscrMathExt Doc