Exercise logic.propositional.consequence

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

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• (no onefirst)
• allfirsts (0)
• allapplications
• derivation
• microsteps

Environment

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

Path 1

path	[0, 0, 0, 3, 0, 0, 3, 0, 0, 0, 0, 3, 0, 3, 3, 2, 0, 0, 7, 0, 1]
steps	21
major rules	3
active labels	consequence

enter consequence, initial, conj-intro, navigator.down, navigator.down, enter cnf, exit cnf, navigator.up, navigator.up, navigator.downlast, enter cnf, exit cnf, navigator.up, navigator.down, navigator.down, fakeabsorptionnot, navigator.up, navigator.up, is-cnf, check, conj-elim