Mathematics for IGCSE & O level - Sets (Section 2 - No. 27)
In the study of sets, which of the following statements are generally true?
Sets must always contain numbers.
Sets cannot be empty.
Sets can be finite or infinite.
The order of elements within a set matters.
คำอธิบาย
Sets are collections that can be finite or infinite, and the ordering of elements in sets does not matter.