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 ↔ (s ∧ s)) ∨ ¬s)
Description
Proposition to DNF (unicode support)