Many-Sorted Logic
Many-sorted logic enhances first-order logic by introducing multiple domains. Variables and quantifiers…
Kleene Connectives in Three-Valued Logic
Kleene connectives extend classical logic with a third truth value (undefined/unknown). They…
Kleene’s Three-Valued Logic (K3)
Explore Stephen Cole Kleene's three-valued logic system, K3. It introduces an 'undefined'…
Intuitionistic Logic Explained
Intuitionistic logic, a constructive approach to reasoning, diverges from classical logic by…
Intermediate Logic
Intermediate logic systems bridge the gap between intuitionistic and classical logic. They…
Inclusive First-Order Logic Explained
Inclusive first-order logic is a flexible variant that permits empty domains, unlike…
Higher-Order Logic
Higher-order logic extends first-order logic by enabling quantification over predicates and other…
Gödel-Dummett Logic
A distinct intuitionistic logic, Gödel-Dummett logic incorporates a principle of maximal elements.…