Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.truezeroand

p || q || p