Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.absorpand

F || p || q

⇒ logic.propositional.falsezeroor

p || q