Pre-irresolute Functions in Closure Spaces

Halgwrd M. Darwesh, Sarhad F. Namiq

Abstract

The preopen sets are used to define pre-open functions, preclosed functions, pre-continuous functions, contra-pre-continuous functions and pre-irresolute functions which are investigated. They are also used to introduce a new type of connectedness and compactness in closure spaces, they called p-connectedness and p-compactness respectively.

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