Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
~(~(F /\ r) /\ ~q /\ ~~(~p || ~p))
⇒ logic.propositional.falsezeroand~(~F /\ ~q /\ ~~(~p || ~p))
⇒ logic.propositional.notfalse~(T /\ ~q /\ ~~(~p || ~p))
⇒ logic.propositional.truezeroand~(~q /\ ~~(~p || ~p))
⇒ logic.propositional.notnot~(~q /\ (~p || ~p))
⇒ logic.propositional.idempor~(~q /\ ~p)