Explain each of them with a easy understanding so people can understand fast and easy.Also prove the last 2 of them. Theorem 5.25. Let A, B, and C be sets. Then5. Ax (B – C) = (A × B) – (A × C)6. (A – B) × C = (A × C) – (B × C)7. If T C A, then T × B C A × B.8. If Y C B, then A × Y C A × B.

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Answered: Explain each of them with a easy…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.5: Graphs Of Functions

Problem 56E

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For what values of c is c(1,2,3)=1?
11. (See Exercise 10.) According to Definition 5.29, is defined in by if and only if . Show that if and only if . 10. An ordered field is an ordered integral domain that is also a field. In the quotient field of an ordered integral domain define by . Prove that is a set of positive elements for and hence, that is an ordered field. Definition 5.29 Greater than Let be an ordered integral domain with as the set of positive elements. The relation greater than, denoted by is defined on elements and of by if and only if . The symbol is read “greater than.” Similarly, is read “less than.” We define if and only if. As direct consequences of the definition, we have if and only if and if and only if . The three properties of in definition 5.28 translate at once into the following properties of in . If and then . If and then . For each one and only one of the following statements is true: . The other basic properties of are stated in the next theorem. We prove the first two and leave the proofs of the others as exercises.
Is the set named empty, finite, or infinite? a N=countingnumbers b V=vowels c P=pointsintheintersectionoftwodisjointsets
For the sets gives in Exercise 9, is there a distributive relationship for union with respect with respect in intersection? That is does ABC=ABAC? A=1,2,3,4, B=2,4,6,8, and C=1,3,5,7,9.

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Explain each of them with a easy understanding so people can understand fast and easy. Also prove the last 2 of them.