Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.truezeroand

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