Exercise

Exercise logic.propositional.consequence

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

~q => ((p || q) /\ (p || (~(p || q) /\ ~p))) || (~(p || q) /\ ~p)

ready: no

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onefirst
allfirsts (1)
allapplications
derivation
microsteps

Environment

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

Path 1

path [0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 0, 3]
steps 12
major rules 1
active labels
consequence
andrules

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

path	[0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 0, 3]
steps	12
major rules	1
active labels	consequence andrules