Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpand

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

⇒ logic.propositional.falsezeroand

F || ~~p || q

⇒ logic.propositional.falsezeroor

~~p || q

⇒ logic.propositional.notnot

p || q