Set theory, the mathematical study of collections of objects, forms a foundation for much of modern mathematics, while cardinal functions provide a means to quantify the sizes of these sets, ...

Julien Le Cardinal (26) spent last season on loan at Stade Brestois from RC Lens. That move is set to be made permanent imminently, L’Équipe understands. The French centre-back joined Les Ty Zéfs on a ...