Math Problem Statement
Soit (xn) et (yn) deux suites réelles bornées. Montrer que : | sup xn − sup yn| sup |xn − yn|
Solution
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Math Problem Analysis
Mathematical Concepts
Real Analysis
Sequences
Supremum
Formulas
| sup x_n − sup y_n | ≤ sup |x_n − y_n|
Theorems
Supremum Inequality
Suitable Grade Level
Undergraduate (University Level)