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On Pre-Proper Functions | ||
| Journal of Al-Nahrain University - Science | ||
| Article 1, Volume 14, Issue 1, 2011, Pages 150-156 | ||
| Author | ||
| Sabiha I.Mahmood | ||
| Abstract | ||
| In this paper we introduce new type of functions called pre-proper functions as generalization ofproper functions. Also, we study the characterizations and basic properties of pre-proper and preclosedfunctions. Moreover we study the relation between the pre-proper functions and each ofproper functions, pre-closed functions and closed functions respectively and we give an examplewhen the converse may not be true. | ||
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