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