gives a comprehensive analysis of the first AS level subject. No matter what level you are at, we will help you advance your knowledge by providing practice questions and working examples.
Set Notation Revision
Subset = is a part of a set
Proper subset = is part of a set and can not include all members of the set
: = such that it meets certain numbers
' = everything not in that set
Question Answer Traffic Light
What is the symbol for positive
integers
What is the symbol for integers
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