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