Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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