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Discrete Structure
test two
| Term | Definition |
|---|---|
| Set | unordered collectioon of objects |
| Elemments or members | the objects in a set |
| A set is said to _______ its elements | contain |
| Ø | the empty set, set that contains no elements |
| U | the universal set the set of all elements under consideration |
| N | Set of Natural numbers |
| Z | Set of integers |
| Z^+ | Set of Postive intergers |
| Q | Set of rational numbers |
| R | Set of real numbers |
| Two Sets are equal if? | they have the same element |
| A is a subset of B if? | every element of A is also an element of B |
| Finite set | a set with n distinct elemnts |
| Cardinality of the set | is the number of ekements in the set |
| P(S) power set | the set of all subsets of the set s |
| A x B | Cartesian product of seet A and B is all the elemnts in A times all the elements in B |
| A ⋃ B | The union of sets A and B is the set of all elements that are contained in either A or B or both |
| A⋂B | the intersev=ction of set a and b all elements that are contained in bith A and B |
| ⦰ | empty set is the set with no elements |
| Disjoint | if the intersecton for tow sets is the empty set |
Created by:
RaineyM