How to prove closure under multiplication?

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  1. How to prove closure under scalar multiplication. (...) disproved by "closure under multiplication"? Follow Math Help Forum on Facebook and Google+.
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  2. Closure Property - Multiplication of Integers :

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  3. It is closed under multiplication if $x\times y\in (...) closure under addition (...) Alternative methods to prove that $Z_m$ is a field under addition and
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  4. Closure Property of Real Numbers (...) to prove closure fails. The set of real numbers is closed under multiplication.
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  5. Prof. Chris Umans: Approaches to bounding the exponent of matrix multiplication :

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  6. to prove that the identity element of a group is unique, (...) do not form a group. The closure, (...) does form an abelian group under multiplication,
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  7. Proof of closure under addition and multiplication (...) Does anyone know a generic way of showing that a field is closed under multiplication (...) Just need to prove
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  8. How to Show that a Given Set is Not a Vector Space :

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  9. 04 Proving Closure Property For Rational numbers :

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  10. Ring Theory 2: Properties of Rings :

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  11. Ring Theory 4: Subring Proof Example :

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  12. Vector Addition and Scalar Multiplication, Example 1 :

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  14. Arrays and commutative property of multiplication :

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  15. How to Prove the set of Rational numbers is Closed Over Addition :

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