Arrange the choices in order 1,2,3.. to prove: For any sets A, B and C Ax (BUC) = (A x B) U (A x C), that is, (x,y) = A x (BUC) = (x,y) = (A x B) U (A x C).

Calculus: Early Transcendentals
8th Edition
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Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Arrange the choices in order 1.2.3.. to prove:
For any sets A, B and C
A x (BUC) = (A x B) U (A x C), that is,
(x,y) = A x (BUC)(x,y) = (A x B) U (A x C).
1
Choose...
♦
2
Choose...
#xEAAYE BUC (definition of Cartesian. product)
3 (x,y) = A x (BUC)
4
#xEAA (YE Bv y = C) (definition of union of sets)
➡XEA AXE BUC (definition of Cartesian. product)
5
(x,y) = A x B V (x,y) = A x C (definition.of Cartesian. product)
(XE AAYE B) V (XE AAYE C) (distributive law)
(x,y) = (A x B) U (A x C) (definition.of union of sets)
(XEA AXEA) v (y e B) v (y e C) (idempotent law)
6
7 QED
Transcribed Image Text:Arrange the choices in order 1.2.3.. to prove: For any sets A, B and C A x (BUC) = (A x B) U (A x C), that is, (x,y) = A x (BUC)(x,y) = (A x B) U (A x C). 1 Choose... ♦ 2 Choose... #xEAAYE BUC (definition of Cartesian. product) 3 (x,y) = A x (BUC) 4 #xEAA (YE Bv y = C) (definition of union of sets) ➡XEA AXE BUC (definition of Cartesian. product) 5 (x,y) = A x B V (x,y) = A x C (definition.of Cartesian. product) (XE AAYE B) V (XE AAYE C) (distributive law) (x,y) = (A x B) U (A x C) (definition.of union of sets) (XEA AXEA) v (y e B) v (y e C) (idempotent law) 6 7 QED
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