Showing V^S is a Vector Space over F

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SUMMARY

The discussion centers on proving that the set V^S, defined as all maps from a set S to a vector space V over a field F, is itself a vector space over F. Participants emphasize the necessity of demonstrating that the sum of two mappings remains a mapping and that scalar multiplication of a mapping is also a mapping. It is established that while associativity of addition and scalar multiplication can be assumed, the explicit verification of the vector space axioms is required for a complete proof.

PREREQUISITES
  • Understanding of vector space axioms
  • Familiarity with mappings and functions in mathematics
  • Knowledge of scalar multiplication in vector spaces
  • Basic concepts of fields in linear algebra
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  • Review the axioms of vector spaces in detail
  • Study the properties of mappings and their operations
  • Explore examples of vector spaces over different fields
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Mathematics students, educators, and anyone studying linear algebra who seeks to deepen their understanding of vector spaces and mappings.

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Homework Statement


Let S be a set and let V be a vector space over the field F. LetV^S denote the set of all maps from S to V . We define an addition on V^S and a scalar multiplication of F on V^S as follows: (f+g)(s):=f(s)+g(s) and (af)(s):=a(f(s)) for any s belongs to S
show that V^S is a vector space over F


Homework Equations





The Attempt at a Solution


how to show it is a vector space , do i need to show all the axioms exist ? or ,is there any specific way to use ?
 
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Well, you should be able to assume such things as associativity of addition and scalar multiplication- they are true of any mapping. But you will need to show explicitely that the sum of two such mappings is again a mapping and that the scalar product of a number and a mapping is a mapping.
 
HallsofIvy said:
Well, you should be able to assume such things as associativity of addition and scalar multiplication- they are true of any mapping. But you will need to show explicitely that the sum of two such mappings is again a mapping and that the scalar product of a number and a mapping is a mapping.

so i have to show all the axioms for Vector Space ??
 

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