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At: prop to bool 2 char 1 1 2

1. P : Prop
2. v:P+(PVoid). InjCase(v ; true; false P
  InjCase(lem_2(P) ; true; false P


By: InstHyp [lem_2(P)] 2 THEN StrongAuto


Generated subgoals:

None

About:
bfalsebtrueassertvoidunion
decideapplyfunction
propall
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(6steps total) PrintForm Definitions hol Sections HOLlib Doc