Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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