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 [TCon logic1.not [TVar "r"],TVar "q"]]

Path 1

path	[0, 0, 4, 0, 0, 1, 3, 3, 0, 1, 0, 5, 6, 5, 4, 0, 0, 0, 1, 5, 2, 0]
steps	22
major rules	3
active labels	consequence cnf

enter consequence, initial, navigator.down, navigator.down, enter cnf, check, enter eliminateimplequiv, logic.propositional.defequiv, exit eliminateimplequiv, check, enter simplify, navigator.down, navigator.right, navigator.down, logic.propositional.notnot, navigator.up, navigator.up, exit simplify, check, enter distror, logic.propositional.oroverand, exit distror