(2steps total) PrintForm Definitions Lemmas core StandardLIB Doc
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At: sq stable iff 1

1. P : Prop
2. Q : Prop
3. SqStable(P)
4. SqStable(Q)
  SqStable(P  Q)


By: Repeat (Unfolds [`iff`;`rev_implies`] 0)
THEN
Backchain
[Thm* SqStable(P SqStable(Q SqStable(P & Q)
;Thm* SqStable(Q SqStable(P  Q)]


Generated subgoals:

None

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

(2steps total) PrintForm Definitions Lemmas core StandardLIB Doc