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