Exercise

Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notfalse

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