Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

(~~p || (F /\ r /\ 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.truezeroor

(p || q) /\ T

⇒ logic.propositional.truezeroand

p || q