Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.idempand

~~p || q

⇒ logic.propositional.notnot

p || q