Strong Completeness in Logic
Strong completeness in logic means that if a formula is true in…
Post Consistency in Formal Theories
A theory is Post consistent if it contains at least one unprovable…
Löb’s Theorem
Löb's theorem in mathematical logic states that if a system can prove…
Intuitionistic Mathematics
Mathematics built on intuitionistic logic, prioritizing constructive proofs and avoiding non-constructive axioms…
Independence Results in Logic and Mathematics
An independence result demonstrates that a statement is neither provable nor disprovable…
Henkin Sentence
A Henkin sentence is a self-referential statement that asserts its own provability…
Finitary Formal Systems Explained
A finitary formal system uses only finite operations, proofs, and expressions. It…
Finitary Arithmetic
Finitary arithmetic is a mathematical approach that emphasizes constructive methods, avoiding infinite…
Constructive Mathematics
Constructive mathematics emphasizes mathematical objects that are provably constructible and computable. It…
Cardinal Numbers
Cardinal numbers represent the quantity or size of a set. They answer…