Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

(F || p || q) /\ (((r <-> p) /\ (r <-> p)) || ((r <-> p) /\ (r <-> p)))

⇒ logic.propositional.idempand

(F || p || q) /\ ((r <-> p) || ((r <-> p) /\ (r <-> p)))

⇒ logic.propositional.absorpor

(F || p || q) /\ (r <-> p)

⇒ logic.propositional.defequiv

(F || p || q) /\ ((r /\ p) || (~r /\ ~p))