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.idempand¬(q → p) ↔ (((r ∨ r) ↔ s) ∨ ¬s)
Description
Proposition to DNF (unicode support)