Name: _ Class: _ Date: _
PLO: B2 - Set Theory Review
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3.1: Sets and Set Notation
Set: a collection of distinguishable objects, we refer to sets with capital letters.
Element: an object in the set
Universal set: the set of all elements (sometimes referred to as sample space)
Subset: a set within
3.3: Intersection and Union of Sets
The Union of Sets:
The union of two or more sets consists of all the elements that are in at least one
of the sets. This is indicated by the word "or" and the notation ".
The Intersection of Sets:
The intersection of tw