.[19] This is what would ordinarily be indicated by the notation
, where the suffixes denote correlation with the integers used as suffixes, and the correlation is one-many, not necessarily one-one, because
and
may be equal when
and
.[19] This is what would ordinarily be indicated by the notation
, where the suffixes denote correlation with the integers used as suffixes, and the correlation is one-many, not necessarily one-one, because
and
may be equal when
and