Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.notnot

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