Exercise logic.propositional.consequence

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

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• onefirst
• allfirsts (1)
• allapplications
• derivation
• microsteps

Environment

initial=TList [TVar "q"]

Path 1

path	[0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 1, 3, 0, 0, 1, 1, 0, 0]
steps	18
major rules	2
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 eliminateimplequiv, logic.propositional.defimpl, exit eliminateimplequiv, check, enter specialdistrnot, check, logic.propositional.oroverand