Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpor

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.idempand

p || q