Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
Final term is not finished(~~(~~q /\ ~~q) || (~r /\ ~r)) /\ T /\ ~~((q || p) /\ ~q)
⇒ logic.propositional.notnot((~~q /\ ~~q) || (~r /\ ~r)) /\ T /\ ~~((q || p) /\ ~q)
⇒ logic.propositional.idempand(~~q || (~r /\ ~r)) /\ T /\ ~~((q || p) /\ ~q)
⇒ logic.propositional.notnot(q || (~r /\ ~r)) /\ T /\ ~~((q || p) /\ ~q)