<p>I shall adopt for the conception of multiplication 'the application of a relation', in such a way that, for example, 'l'w shall denote whatever is lover of a woman. This notation is the same as that used by Mr. De Morgan, although he apears not to have had multiplication in his mind.</p>
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<p>I shall adopt for the conception of multiplication ''the application of a relation'', in such a way that, for example, <math>\mathit{l}\mathrm{w}\!</math> shall denote whatever is lover of a woman. This notation is the same as that used by Mr. De Morgan, although he apears not to have had multiplication in his mind.</p>
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<p>'s'(m +, w) will, then, denote whatever is servant of anything of the class composed of men and women taken together. So that:</p>
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<p>'s'(m +, w) = 's'm +, 's'w.</p>
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<p><math>\mathit{s}(\mathrm{m} ~+\!\!,~ \mathrm{w})</math> will, then, denote whatever is servant of anything of the class composed of men and women taken together. So that:</p>