Nature of Logic and Perception Paper Kirby, Gary R & Goodpaster, Jeffery R. (1999). Thinking. Prentice-Hall, Inc.

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Critical thinking is used during the "reverse engineering" process since many questions have been documented and statements made that require validation. Not only is critical thinking used to "reverse engineer" programs but critical thinking is employed on a larger scale when a new system is being developed to replace a legacy system. Many older business systems have large amounts of source code that are poorly documented or undocumented. Without clear documentation of these, sometimes complex, processes we must understand the original requirements of the system, the requirements of the new system and work with management to understand how all these requirements and needs integrate to produce a viable system for the business and to produce new solutions.

The act of critical thinking is what separates us from the other animals on our planet. As stated by Kirby and Goodpaster (1999) "that many philosophers since Aristotle have defined humans as thinking animals" (p.

3). For critical thinking permits us to ask the many probing questions that help use expand our understanding of what is around us and beyond, to learn new things - to explore. Our ability to absorb new concepts and think about new ways to use what we have learned is in our nature. Take an example from Thomas Edison. Edison, when inventing the light bulb, had made thousands of failed attempts to perfect the light bulb but he did not give up. He continued to move forward with the invention of the light bulb and with every failed experiment he learned just enough from each failure to realize that he was just a little closer to his goal - to light the world. For anyone to accomplish anything they need the ability to think critically and to question all things. To accomplish and build new things one...