Mathematics for IGCSE & O level - Sets (Section 2 - No. 8)
Which of the following are true about sets?
Sets must always contain numbers
The elements in a set must be listed in order.
A set can contain an infinite number of elements.
Sets cannot be empty.
הֶסבֵּר
Sets can contain an infinite number of elements and the order of the elements within a set does not matter.