EDB — 22M

Exercises

1. [22M]Prerequisites:[02W]↺↻,[04J]↺↻.Similarly if \(A\) is infinite and \(B\) is finite show that \(|A|=|A⧵ B|\) using the fact that for every infinite set \(X\) there is an injective \(g:ℕ→ X\) function.

   Solution 1

   [22N]↺↻