A Study of Some Results on Countable Sets
Mamu Muhammed Abdullahi
Department of Statistics and Operations Research, Modibbo Adama University of Technology, Yola, Nigeria.
Okorie, Kalu Okam *
Department of Mathematics and Computer Science, Ebonyi State University, Abakaliki, Nigeria.
*Author to whom correspondence should be addressed.
Abstract
In this research paper, we were able to study countable sets. To achieve this, fundamental ideas and concepts from set theory and mathematical analysis were considered. Some important theorems on countable sets were reviewed and nally, the application of the theorems studied were provided.
Keywords: Countable sets, injective functions, surjective functions, bijective functions.