Math, asked by supreetsajjan7, 2 months ago

intervals of subset​

Answers

Answered by Anonymous
2

Answer:

Intervals: An interval is a subset I of R∗ satisfying the following requirement: Whenever x < y < z and x,z ∈ I then y ∈ I. Obvious examples are the sets we have been taught to consider intervals: (a,b) = {x : a < x < b}, [a,b] = {x : a ≤ x ≤ b}, (a,b] = {x : a < x ≤ b}, [a,b) = {x : a ≤ x < b}.

Answered by chiks31
0

Answer:

Intervals: An interval is a subset I of R∗ satisfying the following requirement: Whenever x < y < z and x,z ∈ I then y ∈ I. Obvious examples are the sets we have been taught to consider intervals: (a,b) = {x : a < x < b}, [a,b] = {x : a ≤ x ≤ b}, (a,b] = {x : a < x ≤ b}, [a,b) = {x : a ≤ x < b}.

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