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.or [TVar "p",TCon logic1.and [TVar "q",TVar "r"]]]

Path 1

path	[0, 0, 4, 0, 0, 1, 5, 2, 0, 3, 0, 0, 0, 0, 1, 3, 0]
steps	17
major rules	2
active labels	consequence eliminateimplequiv

enter consequence, initial, navigator.down, navigator.down, enter cnf, check, enter distror, logic.propositional.oroverand, exit distror, exit cnf, navigator.up, navigator.up, navigator.downlast, enter cnf, check, enter eliminateimplequiv, logic.propositional.defimpl