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