Exercise

Exercise logic.propositional.consequence

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

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

ready: no

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onefirst
allfirsts (4)
allapplications
derivation
microsteps

Environment

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

Path 1

path [0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 2, 0, 0, 4, 4, 5, 4, 1]
steps 18
major rules 1
active labels
consequence
demorgan

enter consequence, initial, navigator.down, navigator.down, enter cnf, exit cnf, navigator.up, navigator.up, navigator.downlast, enter cnf, check, navigator.down, check, enter demorgan, navigator.down, navigator.right, navigator.down, logic.propositional.demorganor

path	[0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 2, 0, 0, 4, 4, 5, 4, 1]
steps	18
major rules	1
active labels	consequence demorgan