Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

F || (~~~p -> q)

⇒ logic.propositional.falsezeroor

~~~p -> q

⇒ logic.propositional.notnot

~p -> q

⇒ logic.propositional.defimpl

~~p || q

⇒ logic.propositional.notnot

p || q