Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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