The author explain the idea of one and many in this paper which one means clarification of the concept of constructivism which is different from others. Many means different types of constructivism. However, the author face dilemma on the idea of constructivism is the only paradigms which survive which as almost many varieties of constructivism. Finally, the author bring the idea of “the one” as different positions which are common in the concept of constructivism and “the many” as analyzing differences between different positions of constructivism.

There are two main views to understand the concept of epistemology which are psycological and philosopical. In psychological, epistemology  focuses on the theories of knowledge development which is constructed by individuals.

to be continued………