Exercise logic.propositional.consequence

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

Feedback

• onefirst
• allfirsts (2)
• allapplications
• derivation
• microsteps

Environment

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

Path 1

path	[0, 0, 0, 3, 0, 0, 2, 0, 0, 3, 3, 0, 0, 2, 0, 0, 5, 2]
steps	18
major rules	3
active labels	consequence cnf distror

enter consequence, initial, conj-intro, navigator.down, navigator.down, enter cnf, check, navigator.down, check, enter eliminateimplequiv, logic.propositional.defequiv, exit eliminateimplequiv, navigator.up, check, navigator.down, check, enter distror, logic.propositional.oroverand