Ramified Theory of Types
An extension of the simple theory of types, the ramified theory introduces…
Indefinite Extensibility
Indefinite extensibility describes collections, like the set of all sets, that cannot…
Impredicative Definitions in Mathematics and Logic
An impredicative definition defines an object in terms of a totality to…
Comprehension Schema in Set Theory and Logic
The comprehension schema is a fundamental principle in set theory and logic.…
Frege’s Basic Law V and the Foundations of Arithmetic
Frege's Basic Law V aimed to ground arithmetic in logic. It states…
Bad Company Objection
The bad company objection challenges mathematical abstractionism by highlighting the difficulty in…