Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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

⇒ logic.propositional.notnot

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