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At: prop to bool char 2 2 1

  InjCase(lem(false) ; true; false) = false

By: GenDC (lem(false)) THEN StrongAuto


Generated subgoal:

1 1. false
  true = false

1 step

About:
boolbfalsebtrueassertdecideapplyequal
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(8steps total) PrintForm Definitions hol Sections HOLlib Doc