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