- #1
CarmineCortez
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Homework Statement
Let X be a metric space and let K be any non-empty compact subset of X, and let x be an element of X. Prove that there is a point y is an element of K st d(x,y) leq d(x,k) for every k an element of K.
Homework Equations
triangle inequality
The Attempt at a Solution
i tried proof by contradiction with the triangle inequality, and it didn't get me anywhere