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

Path 1

path	[0, 0, 4, 0, 0, 3, 0, 0, 0, 0, 2, 0, 2, 0, 4, 3, 0, 0, 2, 0, 0, 4, 3]
steps	23
major rules	2
active labels	consequence

enter consequence, initial, navigator.down, navigator.down, enter cnf, exit cnf, navigator.up, navigator.up, navigator.downlast, enter cnf, check, navigator.down, navigator.right, check, enter demorgan, logic.propositional.demorganand, exit demorgan, navigator.up, check, navigator.down, check, enter demorgan, logic.propositional.demorganand