Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.absorpand

(T /\ q) || ~~p

⇒ logic.propositional.notnot

(T /\ q) || p

⇒ logic.propositional.truezeroand

q || p