EDB — 043

Exercises

1. [043]Prerequisites:[036]↺↻,[040]↺↻.Let \(A_ t\) be sets with cardinality less than or equal to the continuum, for \(t∈ℝ\). Show that \(⋃_{t∈ℝ} A_ t\) has cardinality of the continuum.

   Solution 1

   [044]↺↻