Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.truezeroand

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