Bennett D.J. Logic Made Easy How to Know When Language Deceives

W.W. Norton & Company, 2004. — 256 p. — ISBN 0-393-05748-8.This brilliantly clear and gratifyingly concise treatment of the ancient Greek discipline identifies the illogical in everything from street signs to tax forms. Complete with puzzles you can try yourself, Logic Made Easy invites readers to identify and ultimately remedy logical slips in everyday life. Designed with dozens of visual examples, the book guides you through those hair-raising times when logic is at odds with our language and common sense. Logic Made Easy is indeed one of those rare books that will actually make you a more logical human being.
36 illustrations.Introduction: Logic Is Rara
The mistakes we make
Logic should be everywhere
How history can help
Proof
Consistency is all I ask
Proof by contradiction
Disproof
All
All S are P
Vice Versa
Familiarity — help or hindrance?
Clarity or brevity?
A NOT Tangles Everything Up
The trouble with not
Scope of the negative
A and E propositions
When no means yes — the "negative pregnant" and double negative
SOME Is Part or All of ALL
Some is existentia
Some are; some are not
A, E, I, and O
Syllogisms
Sorites, or heap
Atmosphere of the "sillygism"
Knowledge interferes with logic
Truth interferes with logic
Terminology made simple
When Things Are IFfy
The converse of the conditional
Causation
The contrapositive conditional
Syllogisms Involving IF, AND, and OR
Disjunction, an "or" statement
Conjunction, an "and" statement
Hypothetical syllogisms
Common fallacies
Diagramming conditional syllogisms
Series Syllogisms
Symbols That Express Our Thoughts
Leibniz's dream comes true: Boolean logic
Logic Machines and Truth Tables
Reasoning machines
Truth tables
True, false, and maybe
Fuzzy Logic, Fallacies, and Paradoxes
Shaggy logic
Fallacies
Paradoxes
Common Logic and Language
Thinking Well — Together
Theories of reasoningNotes

Index