Exercise logic.propositional.consequence

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

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

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Environment

initial=TList [TCon logic1.and [TCon logic1.or [TVar "p",TCon logic1.and [TCon logic1.not [TVar "p"],TCon logic1.not [TVar "q"]]],TCon logic1.or [TVar "q",TCon logic1.and [TCon logic1.not [TVar "p"],TCon logic1.not [TVar "q"]]]],TCon logic1.not [TVar "p"]]

Path 1

path[0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 1, 1, 0, 0]
steps14
major rules1
active labels
  • consequence
  • specialdistrnot

enter consequence, initial, navigator.down, navigator.down, enter cnf, exit cnf, navigator.up, navigator.up, navigator.downlast, enter cnf, check, enter specialdistrnot, check, logic.propositional.oroverand