Hello, I do not understand sets at all. Can somebody please explain or give notes to me.
Thanks so much
Happy new year

K1234
A set is a well defined collection of objects e.g. The set of whole numbers between 1and 5 is a well defined set but the set of good actors is not. Different people will give different answers.
Two sets are equal is they contain the exact same elements.

K1234
If E= { the first five letters in the alphabet} then:
d is an element of E but y is not an element of E.
The set from which all others are being considered is called the universal set, U.
If every element of set E is also an element of set F then E is said to be a subset of F.
The union of two sets is found by putting together in a new set all the elements of E and F without repeating an element.
The intersection of two sets E and F is the set of elements found in both E and F.
The complement of set E is the set of elements in the universal set U which are not in E. It is written as E'.
The book of formulae and tables has some set symbols.

Katrina.khod
Thank you so much
It helped a lot

AJRH
k

Me
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