Continuous relations and generalized $G_δ$ sets
نویسندگان
چکیده
منابع مشابه
Generalized Rough Sets and Relations
In this paper, we introduce the notions of generalized upper (lower) approximations, generalized upper (lower) bounded operations and various operations. We investigate their properties. Mathematics Subject Classification: 03B52, 03B70, 03G25
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ژورنال
عنوان ژورنال: Fundamenta Mathematicae
سال: 1984
ISSN: 0016-2736,1730-6329
DOI: 10.4064/fm-123-2-91-107