About the book: year / "... Every general, abstract concept is made up of particular ideas, by combining the essential features of an object and discarding all its accidental ones will accept. Consequently, before a child moves on to general definitions, he must possess a significant stock of particular ideas and observations. And these particular ideas are not given to him by textbooks, usually compiled using a synthetic method. Mr. Lapin's courses in this regard are no better than other manuals we have published so far…»