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