Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.notnot

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