Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(q → p) ↔ ((¬¬r ∧ s) ∨ (((¬¬¬r ∧ ¬s) ∨ ¬s) ∧ ((¬¬¬r ∧ ¬s) ∨ ¬s)))

⇒ logic.propositional.idempand

¬(q → p) ↔ ((¬¬r ∧ s) ∨ (¬¬¬r ∧ ¬s) ∨ ¬s)

⇒ logic.propositional.absorpor

¬(q → p) ↔ ((¬¬r ∧ s) ∨ ¬s)