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