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 ∨ F) ∧ (¬s ∨ F)))) ∨ (¬(q → p) ↔ ((r ↔ s) ∨ ¬s ∨ F))
⇒ logic.propositional.idempand(¬(q → p) ↔ ((r ↔ s) ∨ ¬s ∨ F)) ∨ (¬(q → p) ↔ ((r ↔ s) ∨ ¬s ∨ F))
⇒ logic.propositional.falsezeroor(¬(q → p) ↔ ((r ↔ s) ∨ ¬s)) ∨ (¬(q → p) ↔ ((r ↔ s) ∨ ¬s ∨ F))