Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.idempor

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

⇒ logic.propositional.notnot

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