Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

(T ∧ ¬(q → p)) ↔ ((r ↔ s) ∨ ¬¬¬s)

⇒ logic.propositional.defimpl

(T ∧ ¬(¬q ∨ p)) ↔ ((r ↔ s) ∨ ¬¬¬s)