Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.falsezeroand

~~p || F || q

⇒ logic.propositional.falsezeroor

~~p || q

⇒ logic.propositional.notnot

p || q