Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.defequiv

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