Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.andoveror

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

⇒ logic.propositional.compland

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

⇒ logic.propositional.falsezeroor

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