Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.falsezeroand

F || ~~p || q

⇒ logic.propositional.falsezeroor

~~p || q

⇒ logic.propositional.notnot

p || q