Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.compland

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

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