What Do You See

Deductive Reasoning Text Glossary

Glossary Chapter 13 deduction Deduction is to draw an inference about a specific instance from a general principle. hidden premise Hidden premise is a made claim in support of a conclusion that is implied but not stated. When not exposed, it can lead to the acceptance of a false conclusion. logic Logic is the science of good reasoning. syllogism A syllogism is the standardized form that makes the structure of a deductive argument visible. A syllogism consists of two premises or claims followed by a conclusion inferred from these premises. valid and sound A valid deductive argument is one in which the conclusion is correctly inferred from the premises. An argument is sound when the conclusion cannot be false because the premises are true and the reasoning is valid.

Deductive Reasoning Links

Web Links
Chapter 13	back to top
Arguments and Inferences
http://www.philosophypages.com/lg/e01.htm
Tie together what you have learned about inferences and argument by reading this article taken from Philosophy Pages.
Declaration of Human Rights
http://www.un.org/Overview/rights.html
Explain how this document represents a deductive argument.
Martin Luther King, Jr.
http://nobelprize.org/peace/laureates/1964/king-bio.html
Here is a biography of Martin Luther King, Jr.
Thomas Jefferson
http://etext.virginia.edu/jefferson/
Review the life and writings of Thomas Jefferson in this Digital Archive.
Venn Diagrams
http://illuminations.nctm.org/LessonDetail.aspx?id=L384
Past editions of Thinking for Yourself have included Venn diagrams such as those found at this site. They offer a useful visual approach to logic.

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Critical Thinking and Reasoning