Question
Asked Oct 9, 2019
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Prove the following:

Suppose thatX is a tidy set. Then for any sets a and b, if a ∈ b and b ∈ X, then a ∈ X.

Prove the following:
Suppose that X is a tidy set. Then for any sets a and b, if a e b and b E X, then a E X
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Prove the following: Suppose that X is a tidy set. Then for any sets a and b, if a e b and b E X, then a E X

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Expert Answer

Step 1

Consider,

X be a tidy set that represent all data set that each column is a variable and each raw is known as observation.

Step 2

Suppose,

X = {1, 2, 3, 4, 5, 6, 7, 8}

 b = {1 ,2, ...

ΧER
abER
a E bnbeX
a E X
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ΧER abER a E bnbeX a E X

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