Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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