EDB — 03C

Exercises

1. [03C] Let \(C\) be a set, \(I\) a family of indices, and \(B\) sets for \(i\in I\) with \(| B_ i|=| C|\); then show that

   \[ \left|{\mathcal B}\right| = \left|C^ I\right| \]

   where \({\mathcal B}=\prod _{i\in I} B_ i\).

   Solution 1

   [03D]↺↻