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