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