Exercise logic.propositional.dnf.unicode
Description
Proposition to DNF (unicode support)
Derivation
Final term is not finished¬(q → p) ↔ (T ∧ (¬¬(r ↔ s) ∨ ¬(s ∨ s)))
⇒ logic.propositional.notnot¬(q → p) ↔ (T ∧ ((r ↔ s) ∨ ¬(s ∨ s)))
⇒ logic.propositional.defequiv¬(q → p) ↔ (T ∧ ((r ∧ s) ∨ (¬r ∧ ¬s) ∨ ¬(s ∨ s)))