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the open-content textbooks collection that anyone can edit.
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Formal Logic is a study of inference with purely formal content. The first rules of formal logic were written over 2300 years ago by Aristotle and are still vital to many modern disciplines like Linguistics and Computer Science.
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Small Numbers helps children count to ten and learn the meaning of numbers by pointing out real-life situations in which they play a role.


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Chewy Ginger Cookies are soft and delicately flavored.
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