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