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