Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.andoveror

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

⇒ logic.propositional.compland

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

⇒ logic.propositional.falsezeroor

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