Exercise logic.propositional.consequence

Description
Prove that formula is a logical consequence of a set of formulas

(p || q) /\ (p || r) => ~p -> r
ready: no

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Environment

initial=TList [TCon logic1.or [TVar "p",TCon logic1.and [TVar "q",TVar "r"]]]

Path 1

path[0, 0, 4, 0, 0, 1, 5, 2]
steps8
major rules1
active labels
  • consequence
  • cnf
  • distror

enter consequence, initial, navigator.down, navigator.down, enter cnf, check, enter distror, logic.propositional.oroverand