Exercise logic.propositional.consequence

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

~p /\ ~q => ~p
ready: no

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Environment

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

Path 1

path[0, 0, 0, 3, 0, 0, 2, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 3, 3, 2]
steps23
major rules3
active labels
  • consequence

enter consequence, initial, conj-intro, navigator.down, navigator.down, enter cnf, check, navigator.down, check, enter eliminateimplequiv, logic.propositional.defimpl, exit eliminateimplequiv, navigator.up, exit cnf, navigator.up, navigator.up, navigator.downlast, enter cnf, exit cnf, navigator.up, navigator.down, navigator.down, fakeabsorptionnot