If we are talking of children, and 'play' is mentioned, the _suppositio_ limits the suggestiveness of the word in one way; whilst if Monaco is the subject of conversation, the same word 'play,' under the influence of a different _suppositio_, excites altogether different ideas.

Hence to ignore the _suppositio_ is a great source of fallacies of equivocation.
'Man' is generally defined as a kind of animal; but 'animal' is often used as opposed to and excluding man.

'Liberal' has one meaning under the _suppositio_ of politics, another with regard to culture, and still another as to the disposal of one's private means.

Clearly, therefore, the connotation of general terms is relative to the _suppositio_, or "universe of discourse." Sec.5.Relative and Absolute Terms .-- Some words go in couples or groups: like 'up-down,' 'former-latter,' 'father-mother-children,' 'hunter-prey,' 'cause-effect,' etc.

These are called Relative Terms, and their nature, as explained by Mill, is that the connotations of the members of such a pair or group are derived from the same set of facts (the _fundamentum relationis_).