Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.falsezeroor

(T /\ q) || ~~p

⇒ logic.propositional.notnot

(T /\ q) || p

⇒ logic.propositional.truezeroand

q || p