Math Problem Statement

. Olgu X ̸= ∅ ja Y ̸= ∅ sellised reaalarvude hulgad, et x ⩽ y kõikide x ∈ X ja y ∈ Y korral. Tõestage, et X on ülalt ja Y on alt tõkestatud ning sup X ⩽ inf Y .

Solution

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Math Problem Analysis

Mathematical Concepts

Real Analysis
Bounded Sets
Supremum and Infimum

Formulas

sup X ⩽ inf Y

Theorems

Supremum-Infimum Theorem

Suitable Grade Level

Undergraduate Mathematics