“CARDINAL NUMBER” на українській мові

So far we've only talked about the most basic mathematics - arithmetic and an inbuilt notion of cardinal number .

In Chinese, ordinal names are created by adding a prefix to the cardinal number name.

Zorn made other contributions to set theory, such as his 1944 paper Idempotency of infinite cardinals in which he proved that an infinite cardinal number is equal to its square.

Defenders of the latter thus resorted to ad boc banishments of such propositions into the realm of meaninglessness; to assert that green is not a cardinal number , they said, is to be guilty of a ‘category mistake.’

The mistakes they make resemble closely the kinds of errors that younger English-speaking children make in the course of mastering the cardinal number names of English.