Exercise

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 || q) /\ ~p))

ready: no

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

path [0, 0, 4, 0, 0, 1, 4, 1]
steps 8
major rules 1
active labels
consequence
cnf
demorgan

enter consequence, initial, navigator.down, navigator.down, enter cnf, check, enter demorgan, logic.propositional.demorganor