Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.defequiv

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