Answer the following questions about set theory and probability theory. a) Suppose the set X is a subset of the set Y. Is it the case that X is an element of Y? Explain your answer. b) Is it possible for there to be two sets X and Y such that X is a subset of Y, and (X ∩ Y) is empty? Explain your answer. c) Suppose X is a non-empty subset of Y. What is Pr(Y | X)? Explain your answer.
Answer the following questions about set theory and probability theory. a) Suppose the set X is a subset of the set Y. Is it the case that X is an element of Y? Explain your answer. b) Is it possible for there to be two sets X and Y such that X is a subset of Y, and (X ∩ Y) is empty? Explain your answer. c) Suppose X is a non-empty subset of Y. What is Pr(Y | X)? Explain your answer.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.1: Sets
Problem 4E: 4. Decide whether or not each of the following is true for all sets .
a. b.
c. d.
e. ...
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Answer the following questions about set theory and probability theory.
a) Suppose the set X is a subset of the set Y. Is it the case that X is an element of Y? Explain your answer.
b) Is it possible for there to be two sets X and Y such that X is a subset of Y, and (X ∩ Y) is empty? Explain your answer.
c) Suppose X is a non-empty subset of Y. What is Pr(Y | X)? Explain your answer.
d) Give an informal argument showing that if X is a subset of Y and Y is a subset of X, then X and Y are identical.
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