Engineering↗
The Boolean Prime Ideal Theorem
The Boolean Prime Ideal Theorem, its equivalent formulations, its strength relative to the axiom of choice, and which results in this collection depend on it.
Every page in the KEVOS library tagged compactness. 2 pages.
The Boolean Prime Ideal Theorem, its equivalent formulations, its strength relative to the axiom of choice, and which results in this collection depend on it.
The compactness theorem, its proof by ultraproducts, the standard consequences including non-standard models, and the systematic list of properties first-order logic cannot expr…