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 "q",TVar "s"]]

Path 1

path	[0, 0, 4, 0, 0, 1, 3, 3, 0, 1, 5, 2, 0, 2, 0, 0, 1, 0, 0]
steps	19
major rules	3
active labels	consequence cnf specialdistrnot

enter consequence, initial, navigator.down, navigator.down, enter cnf, check, enter eliminateimplequiv, logic.propositional.defequiv, exit eliminateimplequiv, check, enter distror, logic.propositional.oroverand, exit distror, check, navigator.down, check, enter specialdistrnot, check, logic.propositional.oroverand