Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

T ∧ (¬(q → p) ↔ ((r ↔ s) ∨ ¬s))

⇒ logic.propositional.defequiv

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