Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
¬(q → p) ↔ ((¬(s ∧ s) ∧ ¬(s ∧ s)) ∨ (r ↔ s))
logic.propositional.defequiv
¬(q → p) ↔ ((¬(s ∧ s) ∧ ¬(s ∧ s)) ∨ (r ∧ s) ∨ (¬r ∧ ¬s))
logic.propositional.idempand
¬(q → p) ↔ (¬(s ∧ s) ∨ (r ∧ s) ∨ (¬r ∧ ¬s))
logic.propositional.idempand
¬(q → p) ↔ (¬s ∨ (r ∧ s) ∨ (¬r ∧ ¬s))