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