Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
Final term is not finished
(~q /\ ~(T /\ ((p /\ T) -> q)) /\ T) -> ~~p
⇒ logic.propositional.truezeroand(~q /\ ~(T /\ ((p /\ T) -> q))) -> ~~p
⇒ logic.propositional.truezeroand(~q /\ ~((p /\ T) -> q)) -> ~~p
⇒ logic.propositional.truezeroand(~q /\ ~(p -> q)) -> ~~p
⇒ logic.propositional.defimpl(~q /\ ~(~p || q)) -> ~~p
⇒ logic.propositional.demorganor(~q /\ ~~p /\ ~q) -> ~~p
⇒ logic.propositional.notnot(~q /\ p /\ ~q) -> ~~p