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