Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.falsezeroand

F || q || ~~p

⇒ logic.propositional.falsezeroor

q || ~~p

⇒ logic.propositional.notnot

q || p