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