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) ∨ ¬s)
⇒ logic.propositional.defimpl(T ∧ (¬(¬q ∨ p) ∨ F)) ↔ (¬¬(r ↔ s) ∨ ¬s)
⇒ logic.propositional.demorganor(T ∧ ((¬¬q ∧ ¬p) ∨ F)) ↔ (¬¬(r ↔ s) ∨ ¬s)
⇒ logic.propositional.falsezeroor(T ∧ ¬¬q ∧ ¬p) ↔ (¬¬(r ↔ s) ∨ ¬s)
⇒ logic.propositional.notnot(T ∧ q ∧ ¬p) ↔ (¬¬(r ↔ s) ∨ ¬s)