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accident accidental according action actual affirmative agent already analysis analytical animal answer argument atoms attribute become bodies called causality common complete composite concept conclusion condition consequently considered constitution contained contingent contradiction demonstration depends determined distinct effect efficient cause elements entity equality essence essential evidence existence experience fact follows force formal former further give given Hence human idea identity immediately impossible includes instance intrinsic Judgment Kant limits logical Material Cause means metaphysical mind motion nature necessary necessity never object observation once passive perception phenomena philosophy physical physical law possible potentiality predicate present Primordial Matter Principle priori produce Proposition proved pure quantity question quod reality reason received reduction relation remains representative requires sense sensile separate simple specific substance substantial form sufficient supposed synthetical teaching term theory thing Thomas thought tion touching true truth ultimate understanding universal whole
Side 44 - Again ; the mathematical postulate, that " things which are equal to the same are equal to one another," is similar to the form of the syllogism in logic, which unites things agreeing in the middle term.
Side 93 - It must certainly be allowed, that nature has kept us at a great distance from all her secrets, and has afforded us only the knowledge of a few superficial qualities of objects, while she conceals from us those powers and principles on which the influence of these objects entirely depends.
Side 98 - The comparison of the theatre must not mislead us. They are the successive perceptions only, that constitute the mind; nor have we the most distant notion of the place where these scenes are represented, or of the materials of which it is composed.
Side 94 - As to those impressions which arise from the senses, their ultimate cause is, in my opinion, perfectly inexplicable by human reason, and 'twill always be impossible to decide with certainty whether they arise immediately from the object, or are produced by the creative power of the mind, or are derived from the Author of our being.
Side 99 - If any impression gives rise to the idea of self, that impression must continue invariably the same, thro' the whole course of our lives; since self is supposed to exist after that manner. But there is no impression constant and invariable.
Side 101 - When we run over libraries, persuaded of these principles, what havoc must we make? If we take in our hand any volume; of divinity or school metaphysics, for instance; let us ask, Does it contain any abstract reasoning concerning quantity or number? No. Does it contain any experimental reasoning concerning matter of fact and existence? No. Commit it then to the flames: for it can contain nothing but sophistry and illusion.
Side 94 - But this universal and primary opinion of all men is soon destroyed by the slightest philosophy, which teaches us that nothing can ever be present to the mind but an image or perception...
Side 96 - This variety of terms, which may seem so unphilosophical, is intended only to express that act of the mind, which renders realities, or what is taken for such, more present to us than fictions, causes them to weigh more in the thought, and gives them a superior influence on the passions and imagination.
Side 100 - And thus, though every impression and idea we remember be considered as existent, the idea of existence is not derived from any particular impression. The idea of existence, then, is the very same with the idea of what we conceive to be existent.