الفهرس 
Preface
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Filteration is one of the generalization of sequences and convergence .this thesis consists of three chapters. In chapter I, we introduce main concepts of filters and we emphasize their important properties which we need in our study. We give also the relation between filters and some topics in general topology ( 1.6-1.8).