Provability Logic
Provability logic, a subset of modal logic, explores the formal properties of…
Monadic First-Order Logic
Monadic first-order logic simplifies first-order logic by using only predicates with a…
Metalogic: Understanding the Foundations of Logic
Metalogic explores the inherent properties of formal logical systems and languages. It…
Löb’s Paradox
Löb's paradox, a puzzle in modal logic, questions the formalization of provability…
Kleene’s Three-Valued Logic (K3)
Explore Stephen Cole Kleene's three-valued logic system, K3. It introduces an 'undefined'…
Intuitionistic Mathematics
Mathematics built on intuitionistic logic, prioritizing constructive proofs and avoiding non-constructive axioms…
Intuitionism
Intuitionism is a philosophy of mathematics that questions the existence of the…
Infinitary: Understanding Infinite Expressions in Logic and Computation
Explore infinitary concepts, dealing with expressions of infinite length in logic, languages,…