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