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New types of contra-precontinuous functions | ||
| Journal of College of Education | ||
| Article 1, Volume 0, Issue 1, 2017, Pages 213-220 | ||
| Author | ||
| Fawzi mutter al-makdamee | ||
| Abstract | ||
| in this work, we introduce new types of contra-precontinuous functions by using preopen sets, also we study some properties of these types and shows relationships between these types. | ||
| Keywords | ||
| preopen set; contra; continuous function; pre continuous function | ||
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