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