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