An Essay Concerning Humane Understanding, Volume 2 eBook

This eBook from the Gutenberg Project consists of approximately 429 pages of information about An Essay Concerning Humane Understanding, Volume 2.

An Essay Concerning Humane Understanding, Volume 2 eBook

This eBook from the Gutenberg Project consists of approximately 429 pages of information about An Essay Concerning Humane Understanding, Volume 2.

But after all, the provision of words is so scanty in respect to that infinite variety of thoughts, that men, wanting terms to suit their precise notions, will, notwithstanding their utmost caution, be forced often to use the same word in somewhat different senses.  And though in the continuation of a discourse, or the pursuit of an argument, there can be hardly room to digress into a particular definition, as often as a man varies the signification of any term; yet the import of the discourse will, for the most part, if there be no designed fallacy, sufficiently lead candid and intelligent readers into the true meaning of it; but where there is not sufficient to guide the reader, there it concerns the writer to explain his meaning, and show in what sense he there uses that term.

BOOK IV

Of knowledge and probability synopsis of the fourth book.

Locke’s review of the different sorts of ideas, or appearances of what exists, that can be entertained in a human understanding, and of their relations to words, leads, in the Fourth Book, to an investigation of the extent and validity of the Knowledge that our ideas bring within our reach; and into the nature of faith in Probability, by which assent is extended beyond Knowledge, for the conduct of life.  He finds (ch. i, ii) that Knowledge is either an intuitive, a demonstrative, or a sensuous perception of absolute certainty, in regard to one or other of four sorts of agreement or disagreement on the part of ideas:—­(1) of each idea with itself, as identical, and different from every other; (2) in their abstract relations to one another; (3) in their necessary connexions, as qualities and powers coexisting in concrete substances; and (4) as revelations to us of the final realities of existence.  The unconditional certainty that constitutes Knowledge is perceptible by man only in regard to the first, second, and fourth of these four sorts:  in all general propositions only in regard to the first and second; that is to say, in identical propositions, and in those which express abstract relations of simple or mixed modes, in which nominal and real essences coincide, e. g. propositions in pure mathematics and abstract morality (chh. iii, v-viii).  The fourth sort, which express certainty as to realities of existence, refer to any of three realities.  For every man is able to perceive with absolute certainty that he himself exists, that God must exist, and that finite beings other than himself exist;—­the first of these perceptions being awakened by all our ideas, the second as the consequence of perception of the first, and the last in the reception of our simple ideas of sense (chh. i.  Section 7; ii.  Section 14; iii.  Section 21; iv, ix-xi).  Agreement of the third sort, of necessary coexistence of simple ideas as qualities and powers in particular substances, with which all physical

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An Essay Concerning Humane Understanding, Volume 2 from Project Gutenberg. Public domain.