<p>The associative principle does not hold in this counting of factors. Because it does not hold, these subjacent numbers are frequently inconvenient in practice, and I therefore use also another mode of showing where the correlate of a term is to be found. This is by means of the marks of reference, † ‡ || § ¶, which are placed subjacent to the relative term and before and above the correlate. Thus, giver of a horse to a lover of a woman may be written:</p>
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<p>The associative principle does not hold in this counting of factors. Because it does not hold, these subjacent numbers are frequently inconvenient in practice, and I therefore use also another mode of showing where the correlate of a term is to be found. This is by means of the marks of reference, <math>\dagger ~ \ddagger ~ \parallel ~ \S ~ \P</math>, which are placed subjacent to the relative term and before and above the correlate. Thus, giver of a horse to a lover of a woman may be written:</p>