Principles of Logic

Purchase of this book includes free trial access to million books where you can read than a million books for free This is an OCR edition with typos Excerpt from book CHAPTER II THE CONCEPT THE NAME THE TERM I The Concept We have already explained what are the grounds, on which Logic takes cognizance of the Concept Considered in isolation, the concepPurchase of this book includes free trial access to million books where you can read than a million books for free This is an OCR edition with typos Excerpt from book CHAPTER II THE CONCEPT THE NAME THE TERM I The Concept We have already explained what are the grounds, on which Logic takes cognizance of the Concept Considered in isolation, the concept is not an act by which the mind attains truth It can neither be termed true nor false But concepts are the material of which our mental acts, true and false, consist Every judgment of necessity contains two concepts Hence the treatment of the concept is fundamental in the science of Logic And in every science it is of vital importance that the primary notions should be accurately grasped There is truth in that saying of Aristotle s, which in the middle ages had passed into a proverb What is at the beginning but a small error, swells to huge proportions at the close In the first place it is necessary to distinguish carefully between the Concept or intellectual idea properly so called, and the Phantasm or mental picture Whenever I think of an object, I simultaneously form a sensible picture of it in my imagination If for instance I judge that Fishes are vertebrate, or that The sun is round, I cannot do so without imagining to myself a sensible representation of a fish, or of the sun Some times, indeed, as when I think of some abstract subject, such as virtue, the image of the mere word virtue will serve my purpose but some image is requisite, nor does the intellect ever operate save in Connexion with a phantasm.2 1 De Caelo, I c 5 rb it dpxB luxpbv ir Tjj Teevttj yfrenu Parvus error in principio fit magnus in fine 1 The term phantasm innaaiui is Aristotle s Thus in De Anima, III c 8, he tells us that when we contemplate any thing, we are forced to contemplate it in conjunction with a phantasm tram re Stupjj, irtfX
Principles of Logic Purchase of this book includes free trial access to million books where you can read than a million books for free This is an OCR edition with typos Excerpt from book CHAPTER II THE CONCEPT THE NAME T

  • Title: Principles of Logic
  • Author: George Hayward Joyce
  • ISBN: 9780217742955
  • Page: 268
  • Format: Paperback
    • [PDF] Download ☆ Principles of Logic | by ↠ George Hayward Joyce
      268 George Hayward Joyce
    • thumbnail Title: [PDF] Download ☆ Principles of Logic | by ↠ George Hayward Joyce
      Posted by:George Hayward Joyce
      Published :2018-04-19T07:05:41+00:00

    1 thought on “Principles of Logic”

    1. Good Book. Hard to grasp at times, and consequently I needed to read it slowly in order to retain what was being taught. All in all a very good intro to logic as it was taught and understood by those who understood it best.

    Leave a Reply

    Your email address will not be published. Required fields are marked *