Of Shadow, there is an infinitude of things.

In these latter there is an infinitude of units; in sociology, as Comte perceived, there is only one unit.

Euclid showed, some 23 centuries ago, that there is an infinitude of primes, but many fundamental questions about their properties remain unanswered.

It was true that silverware was not rife in that island, but there was an infinitude of potential voters, who could be converted into coin.