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FOR J. PARKER;
AND F. C. AND J, RIVINGTON, ST. PAUL'S CHURCH YARD,

LONDON.

1821.

abt. f. 64

ARTIS LOGICÆ

RUDIMENTA.

CAP. I.

DE TERMINIS SIMPLICIBUS.

$. 1. De Mentis Operationibus. MENTIS operationes in universum tres sunt. 1. Simplex Apprehensio. 2. Judicium. 3. Dis

cursus.

1. Simplex Apprehensio, est nudus rei conceptus intellectivus, similis quodammodo perceptioni sensitivæ; sicut enim imago rei est in oculo, ita idea in animo: estque Incomplexa vel Complexa.

Simple Apprehension is the mere intellectual conception of a thing. The operation of this primary faculty of the mind is also called perception, or conception. And the result of the operation of this faculty on any particular object is denominated properly, a notion, and metaphorically, an impression, a conception or perception, an idea or form, an image or representation. These figurative terms are borrowed from sensitive perception; an analogy being supposed to exist between mental apprehension, and the effects of natural objects on the bodily senses ; especially on those of feeling and siglit. This supposed similitude however seems to

B

be inconsistent with correct metaphysical principles. It is not easy to attach any definite sense to that mode of speaking which assumes that any kind of image or picture of material objects can be traced on an immaterial substance; or that any representation or image can be made of mere qualities or attributes, as, virtue, heat, propensity. The mind apprehends the abstract language of the mathematician, when he assserts that x+y=a; or of the lawyer, when he puts the case, that A. B. is indebted to C. D. But it seems impossible that there can exist in these acts of apprehension any thing really analogous to the effect of sensible objects on the sight or feeling. In what manner the mind is primarily acted on appears to be an incomprehensible mystery

Apprehensio simplex Incomplexa, est unius objecti, ut calami; vel etiam plurium, confuse, ut calami, manus, &c. Complexa, plurium, sed cum ordine quodam et respectu; ut calami in

manu.

essence.

The term, Incomplex Simple Apprehension, taken in its metaphysical and most proper sense, denotes a pure, uncompounded, and consequently indivisible notion or conception; as, hardness, extension, colour,

Complex Simple Apprehension, metaphysically understood, denotes every combined or divisible notion; as that of Man, which may be reduced to the simpler notions of unimality, and rationality : Table, including the notions of the material, the form, the use, &c. Gratitude, which comprehends the notions of a benefactor, a recipient, benefits conferred, the remembrance of those benefits, the love, or esteem excited by them, &c.

But for the purposes of Logic, it is sufficiently accurate to call those apprehensions incomplex which

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