Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
Final term is not finished((p || q) /\ (r <-> p)) || ((p || q) /\ ((r <-> p) || (r <-> p)))
⇒ logic.propositional.defequiv((p || q) /\ (r <-> p)) || ((p || q) /\ ((r /\ p) || (~r /\ ~p) || (r <-> p)))
⇒ logic.propositional.defequiv((p || q) /\ (r <-> p)) || ((p || q) /\ ((r /\ p) || (~r /\ ~p) || (r /\ p) || (~r /\ ~p)))
⇒ logic.propositional.idempor((p || q) /\ (r <-> p)) || ((p || q) /\ ((r /\ p) || (~r /\ ~p)))