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{wiki=Cardinal_number#Cardinal_exponentiation}

For infinite cardinals $\kappa,\lambda$, Hausdorff's formula is
$$
(\kappa^+)^\lambda=\kappa^\lambda\cdot\kappa^+
=\max\{\kappa^\lambda,\kappa^+\}.
$$


Hausdorff formula for cardinal exponentiation

Past exam of the mathematics course of the University of Cambridge / 2026 / iii / Paper 128 / 3 / a / i / Solution

Hausdorff formula for cardinal exponentiation

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Hausdorff formula for cardinal exponentiation

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