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 "r"],TCon logic1.equivalent [TVar "q",TVar "s"]]

Path 1

path	[0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 1, 1, 0, 0]
steps	14
major rules	1
active labels	consequence specialdistrnot

enter consequence, initial, navigator.down, navigator.down, enter cnf, exit cnf, navigator.up, navigator.up, navigator.downlast, enter cnf, check, enter specialdistrnot, check, logic.propositional.oroverand