Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.absorpand

~~p || q || ~~p

⇒ logic.propositional.notnot

p || q || ~~p

⇒ logic.propositional.notnot

p || q || p