Connectedness and Continuous Sequences in Finite Topological Spaces
نویسندگان
چکیده
منابع مشابه
Connectedness and Continuous Sequences in Finite Topological Spaces
In this paper F1 denotes a non empty finite topology space and A, B, C denote subsets of F1. Let us consider F1. One can check that ∅(F1) is connected. We now state two propositions: (1) For all subsets A, B of F1 holds (A ∪ B) b = A ∪ B. (2) (∅(F1)) b = ∅. Let us consider F1. Observe that (∅(F1)) b is empty. Next we state the proposition (3) Let A be a subset of F1. Suppose that for all subset...
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ژورنال
عنوان ژورنال: Formalized Mathematics
سال: 2006
ISSN: 1898-9934,1426-2630
DOI: 10.2478/v10037-006-0011-2