Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.idempand

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