Cardinality of Cartesian Product of Finite Sets/Examples/Sets with 3 and 5 Elements

Example of Use of Cardinality of Cartesian Product of Finite Sets

Let $S$ be a set whose cardinality is $3$.

Let $T$ be a set whose cardinality is $5$.

Then the cardinality of $S \times T$ is $15$.

Sources

• 2010: Raymond M. Smullyan and Melvin Fitting: Set Theory and the Continuum Problem (revised ed.) ... (previous) ... (next): Chapter $2$: Some Basics of Class-Set Theory: $\S 7$ Cartesian products: Remark