H. Jasim, T., A. Shihab, A., A. Hameed, S. (2015). Anew Types of Contra Continuity in Bi-Supra Topological Space. , 20(4), 170-176.
Taha H. Jasim; Ali A. Shihab; Shaymaa A. Hameed. "Anew Types of Contra Continuity in Bi-Supra Topological Space". , 20, 4, 2015, 170-176.
H. Jasim, T., A. Shihab, A., A. Hameed, S. (2015). 'Anew Types of Contra Continuity in Bi-Supra Topological Space', , 20(4), pp. 170-176.
H. Jasim, T., A. Shihab, A., A. Hameed, S. Anew Types of Contra Continuity in Bi-Supra Topological Space. , 2015; 20(4): 170-176.

Anew Types of Contra Continuity in Bi-Supra Topological Space

Tikrit Journal of Pure Science
Article 1, Volume 20, Issue 4, 2015, Pages 170-176
Authors
Taha H. Jasim; Ali A. Shihab; Shaymaa A. Hameed
Abstract
In this paper we introduce a new class of functions in bi-supra topological space called (contra-i[contra-ii]-continuous, contra-g-i[contra-g-ii]-continuous,contra-gα-i[contra-gα-ii]-continuous, contra-gr-i[contra-gr-ii]-continuous, contra-gb-i[contra-gb-ii]-continuous, contra-πg-i[contra-πg-ii]-continuous, contra-πgα-i[contra-πgα-ii]-continuous, contra-πgr-i[contra-πgr-ii]-continuouos, contra-πgb-i[contra-πgb-ii]-continuous) and we study the relation among these functions and the composition of these functions. At last many important theorems are proved.
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