Exercise

Exercise logic.propositional.consequence

Description
Prove that formula is a logical consequence of a set of formulas

~p || (q /\ r) => (p /\ q) <-> (p /\ r)

ready: no

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initial=TList [TCon logic1.implies [TVar "p",TCon logic1.and [TVar "q",TVar "r"]]]

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

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

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