Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.absorpand

q || ~~p

⇒ logic.propositional.notnot

q || p