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Elements of Logic via Numbers and Sets by D. L. Johnson [Repost]
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Elements of Logic via Numbers and Sets by D. L. Johnson
English | 25 Sept. 1998 | ISBN: 3540761233 | 178 Pages | PDF | 6MB
English | 25 Sept. 1998 | ISBN: 3540761233 | 178 Pages | PDF | 6MB
In mathematics we are interested in why a particular formula is true. Intuition and statistical evidence are insufficient, so we need to construct a formal logical proof. The purpose of this book is to describe why such proofs are important, what they are made of, how to recognize valid ones, how to distinguish different kinds, and how to construct them.