Exercise logic.propositional.consequence

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

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

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Environment

initial=TList [TVar "q"]

Path 1

path[0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 1, 0, 5, 6, 1, 3]
steps16
major rules1
active labels
  • consequence
  • simplify
  • andrules

enter consequence, initial, navigator.down, navigator.down, enter cnf, exit cnf, navigator.up, navigator.up, navigator.downlast, enter cnf, check, enter simplify, navigator.down, navigator.right, enter andrules, logic.propositional.absorpand