Let $S$ and $T$ be sets.
Then $S$ and $T$ are equivalent if and only if:
That is, if they have the same cardinality.
This can be written $S \sim T$.
If $S$ and $T$ are not equivalent we write $S \nsim T$.
This category has only the following subcategory.
Pages in category "Set Equivalence"
The following 4 pages are in this category, out of 4 total.