If 1 := [a,b] and l' := [a',b'] are closedintervalsin JR,showthat 1 ~ l' if andonlyif a'
Chapter 2, Problem 1(choose chapter or problem)
If 1 := [a,b] and l' := [a',b'] are closedintervalsin JR,showthat 1 ~ l' if andonlyif a' :::a andb :::b'.
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