You can read the LaTeX document online (for the latest updated chapters) from the link: https://pdf.gaomj.cn/?file=get.php?f=set-theory
Cardinal Numbers
Contents
Contents
1. Temporary Assumptions
1. Temporary Assumptions In this chapter we shall study the size of a set, which is a natural number. However from the axiomatic point of view, the concept of natural numbers has not yet been defined. It is postponed to later chapters.
For now we temporatily assume some basic propositions that will be used before their formal discussion. We have actually familiar with them.
发表回复