[see also: few, several, couple, number]

Each $f$ lies in $zA$ for some $A$.

Note that some of the $X_n$ may be repeated.

Some of the isomorphism classes above will have a rank of 2.

Some such difficulty is to be expected.

The theorem implies that some finite subcollection of the $f_i$ can be removed without altering the span.

It is therefore reasonable that the behaviour of $p$ should in some rough sense approximate the behaviour of $q$.

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