Exercise logic.propositional.consequence
Description
Prove that formula is a logical consequence of a set of formulas
p <-> r, q <-> s => ((p /\ q /\ r /\ s) || ~(p /\ q)) /\ ((p /\ q /\ r /\ (F || s)) || ~r || ~s)
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Environment
initial=TList [TCon logic1.equivalent [TVar "p",TVar "r"],TCon logic1.equivalent [TVar "q",TVar "s"]]Path 1
| path | [] |
| steps | 0 |
| major rules | 0 |
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