System Requirments: Adobe Acrobat Reader, Microsoft Word 2003. This CD-ROM Includes Works of "Gttlob Frege". He was a German Mathematician Who Became a Logician and Philosopher. He Helped Found Both Modern Mathematical Logic and Analytic Philosophy. His work Had a Far-Reaching and Foundational Influence on 20th-Century Philosophy. These Works As Follow: Sense and Reference/ The Foundations of Arithmetic/ Translations From the Philosophical Writings