Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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