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 ∨ (T ∧ ¬s)) ∧ (¬s ∨ (T ∧ ¬s))))
⇒ logic.propositional.idempand¬(q → p) ↔ ((r ↔ s) ∨ ¬s ∨ (T ∧ ¬s))
⇒ logic.propositional.absorpor¬(q → p) ↔ ((r ↔ s) ∨ ¬s)