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