Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

~p -> (T /\ q)

⇒ logic.propositional.truezeroand

~p -> q

⇒ logic.propositional.defimpl

~~p || q

⇒ logic.propositional.notnot

p || q