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