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