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