Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.absorpand

(T /\ q) || ~~p

⇒ logic.propositional.notnot

(T /\ q) || p

⇒ logic.propositional.truezeroand

q || p