Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.notnot

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