EDB — 0BC

Exercises

1. [0BC] Prerequisites:[0B7]↺↻. Let \(A,B⊆ ℝ\) and let

   \[ A ⊕ B=\{ x + y : x∈ A, y∈ B\} \]

   the Minkowski sum  ¹ of the two sets: show that

   \[ \sup (A ⊕ B)=(\sup A) + (\sup B)~ ~ . \]
   Solution 1

   [0BD]↺↻