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