books.google.com - Mr. Ayer sets up specific tests by which you can easily evaluate statements of ideas. You will also learn how to distinguish ideas that cannot be verified by experience--those expressing religious, moral, or aesthetic experience, those expounding theological or metaphysical doctrine, and those dealing...http://books.google.com/books/about/Language_Truth_and_Logic.html?id=2CSkYN2KGjQC&utm_source=gb-gplus-shareLanguage, Truth, and Logic
