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