Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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