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