Question

These of the world type set symbo​

Answer 1

In mathematics, a set is a well-defined collection of distinct objects, considered ... These are examples of extensional and intensional definitions of sets, ... World Scientific. p.

Answer 2

Answer:

• Sets are usually denoted by a capital letter. The elements of the group are usually represented by small letters (unless specified separately.) If 'a' is an element of 'A', or if a “belongs to” A, it is written in the conventional notion by the use of the Greek symbol ϵ (Epsilon) between them – a ϵ A.

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