Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
(¬(q → p) ↔ ((r ↔ s) ∨ ¬s)) ∧ (¬(¬q ∨ p ∨ (q → p)) ↔ ((r ↔ s) ∨ ¬s))
logic.propositional.defimpl
(¬(q → p) ↔ ((r ↔ s) ∨ ¬s)) ∧ (¬(¬q ∨ p ∨ ¬q ∨ p) ↔ ((r ↔ s) ∨ ¬s))
logic.propositional.idempor
(¬(q → p) ↔ ((r ↔ s) ∨ ¬s)) ∧ (¬(¬q ∨ p) ↔ ((r ↔ s) ∨ ¬s))