Exercise logic.propositional.consequence

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

Feedback

• onefirst
• allfirsts (1)
• 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]
steps	16
major rules	2
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