Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.truezeroand

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