书籍介绍
离散数学及其应用：英文本，ISBN：9787040162301，作者：（ ）Susanna S.Epp著
Susanna S. Epp received her Ph.D. in 1968 from the University of Chicago, taught briefly at Boston University and the University of Illinois at Chicago, and is currently Vincent DePaul Professor of Mathematical Sciences at DePaul University. After initial research in commutative algebra, she became interested in cognitive issues associated with teaching analytical thinking and ...
精彩摘录
- "1，...conceived the idea of... 2，...., who found the modern subject of symbolic logic. 3，With research continuing to the present day,... 4，...are acceptable on their own merits 5，follow from other statements that are known to be true. 6，the component sentences 7，the truth or falsity of ... 8，Consider"
- "1，assigning truth values to more complicated expressions... 2，...which translate into symbols as ... 3，It has to do with..."
- "1，A second way to... is by example. 2，It is not the case that ... 3，The two logical equivalences 4，This is equivalent to saying that ... 5，Pictorially,...."
- "1，Although the laws of logic are extremely useful, they should be used as an aid to thinking, not as a mechanical substitute for it. 2，general laws of thought"
- "1，full or partial solutions to... 2，Supply a reason for each step. 3，Justify your answer. 4，Except as otherwose provided,..."
- "1，by virtue of the fact that... 2，Then no matter whether p or q is the case, the truth of r must follow. 3，take the negation of both sides to obtain..."
- "1，(to be explained in Section 1.3) 2，....has wide applicaiton 3，Another way to say this is that ...."
- "1，In order of operations ... is coequal with ... 2，to indicate precedence between them 3，the full hierarchy of operations 4，some connection of content between ... 5，In mathematics it often happens that a carefully formulated definition that successfully covers the situations for which it was primari"
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