Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.absorpand

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

⇒ logic.propositional.notnot

(q /\ q) || ~~p

⇒ logic.propositional.idempand

q || ~~p

⇒ logic.propositional.notnot

q || p