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