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

Path 1

path	[0, 0, 4, 0, 0, 1, 3, 3]
steps	8
major rules	1
active labels	consequence cnf eliminateimplequiv

enter consequence, initial, navigator.down, navigator.down, enter cnf, check, enter eliminateimplequiv, logic.propositional.defequiv