Löwenheim–Skolem Theorem
A fundamental theorem in mathematical logic stating that any countable theory with…
Inferentialism: Meaning Through Inference
Inferentialism posits that a statement's meaning arises from the rules governing its…
Indefinite Extensibility
Indefinite extensibility describes collections, like the set of all sets, that cannot…
First-Order Theory
A first-order theory formalizes mathematical reasoning using first-order logic. It defines relationships…