Exercise logic.propositional.dnf.unicode
Description
Proposition to DNF (unicode support)
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
(¬((q ∨ q) → p) ∨ ¬((q ∨ ¬¬q) → p)) ↔ ((r ↔ s) ∨ ¬s)
⇒ logic.propositional.notnot(¬((q ∨ q) → p) ∨ ¬((q ∨ q) → p)) ↔ ((r ↔ s) ∨ ¬s)
Description
Proposition to DNF (unicode support)