Some Results via Gril Semi –p-Open Set

Abstract

The significance of the work is to introduce the new class of open sets, which is said Ǥ- -open set with some of properties. Then clarify how to calculate the boundary area for these sets using the upper and lower approximation and obtain the best accuracy.

Keywords

• ç¤-semi-p open set, ç¤- semi-p closed set , accuracy seasure m(îœ).