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Penguin Books, 1991 - Philosophy - 331 pages
Logic is primarily about consistency - but not all types of consistency. For example if a man supports Arsenal one day and supports Spurs the next then he is fickle, but not necessarily illogical. The type of consistency which concerns logicians is not loyalty or justice or sincerity but compatibility of beliefs. Logic, therefore, involves studying the situations in which a sentence is true or valid and subsequently the rules which determine the validity or otherwise of a given argument.

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User Review  - chriszodrow - LibraryThing

A symbolic and mathematical approach to justifying arguments. Hodges seeks to be original, but fails. Not engaging or immediately helpful. If you can't sleep, give it a shot. Read full review

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User Review  - jontseng - LibraryThing

Generally all adds up... Read full review

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