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Weizsäcker, H. von: Exchanging the order of taking suprema and countable intersection of sigma algebras. Ann. Inst. Henri Poincaré19, 91–100 (1983).
HEINRICH V. WEIZSÄCKER. Exchanging the order of taking suprema and countable intersections of σ-algebras. Annales de l'I. H. P., section B, tome 19, no 1 ...
1. von Weizsäcker, H.Exchanging the order of taking suprema and countable intersection of a-algebras. Ann. I.H.P. 19 (1983) 91 - ...
... provides some new results concerning the operations of intersection,
Exchanging the order of taking suprema and countable inter- sections of ...
A subset of projective space is called convex if its intersection with every line is ...
... A={{x}:x∈Y} for some uncountable Y⊆X), in which case supFA∉F. Thus, F is closed under taking countable suprema but not under taking arbitrary suprema.
induced order statistics, exchangeable linear order. n
Infimum and supremum are just terms for elements in a partially ordered set. There are partially ordered sets whose elements are not numbers, but rather sets.