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Logic: The Right Use of Reason in the Inquiry after Truth

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Logic - The Right Use of Reason in the Inquiry after Truth is an unchanged, high-quality reprint of the original edition of 1781. Hansebooks is editor of the literature on different topic areas such as research and science, travel and expeditions, cooking and nutrition, medicine, and other genres. As a publisher we focus on the preservation of historical literature. Many works of historical writers and scientists are available today as antiques only. Hansebooks newly publishes these books and contributes to the preservation of literature which has become rare and historical knowledge for the future.

342 pages, Paperback

First published January 1, 1963

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About the author

Isaac Watts

1,158 books48 followers
Isaac Watts was an English hymnwriter, theologian and logician. A prolific and popular hymnwriter, he was recognised as the "Father of English Hymnody", credited with some 650 hymns. Many of his hymns remain in use today, and have been translated into many languages.

Watts was the author of a text book on logic which was particularly popular; its full title was, Logic, or The Right Use of Reason in the Enquiry After Truth With a Variety of Rules to Guard Against Error in the Affairs of Religion and Human Life, as well as in the Sciences. This was first published in 1724, and its popularity ensured that it went through twenty editions. Isaac Watts' Logic became the standard text on logic at Oxford, Cambridge, Harvard and Yale; being used at Oxford University for well over 100 years.
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Displaying 1 - 5 of 5 reviews
Profile Image for Arslan Chariyev.
24 reviews
February 20, 2017
Being new to the "logic" books, I didn't have any problem in understanding it. No incomprehensible ideas. Pithy, clear and extra easy book, though scarcely i found myself skimming it. Gives a good idea of what people learn in law, science, philosophy and other fields of life, where they learn "logic".
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52 reviews5 followers
September 5, 2016
بسيط، ولكن لايقدم الكثير فيما يخص المنطق وهناك كتب أخرى أكثر إيجازًا
Profile Image for Ronnie.
15 reviews6 followers
May 4, 2017
Very basic, but short and accessible.
Profile Image for Aislan.
15 reviews6 followers
January 13, 2016
Da Lógica, de Wesley C. Salmon, ed. 6 (primeira publicação em 1963), destaco os seguintes pontos da terceira parte ("Indução"):

1. Quanto ao problema da justificação da indução, por David Hume (1776), Salmon coloca que há razoável acordo (!) em torno da "correção" (do argumento indutivo). As obras citadas de David Hume a respeito desse assunto são: "A Treatise of Human Nature" e "An Enquiry Concerning Human Understanding".

2. Segundo Salmon, argumento de autoridade pode ser "correto" se digno de confiança (exemplifica 3 características), assim como o "argumento resultante de consenso geral", ao contrário dos "birutas" da ciência (exemplifica 5 características). Isso explica o comportamento tão paradigmático nas ciências, mas Kuhn ainda era muito recente com sua tese do paradigma (1962).

3. Segundo Salmon, há graus de confirmação para hipóteses, conforme casos comprobatórios, hipóteses auxiliares, condições iniciais e probabilidade prévia. Salmon fala em divergências quanto a essa probabilidade (não diz quais são), também conhecida como plausibilidade da hipótese (exemplifica 5 características), e em função disso tudo, justifica haver raras rivalidades entre hipóteses científicas. Parece que o que devia ser um instrumento operacional para minimizar riscos de custos em projetos científicos acabou se tornando uma ferramenta social para as comunidades se fecharem em seus paradigmas.

4. Segundo Salmon, nenhuma hipótese científica é absolutamente verdadeira ou completamente verificada, pois está sempre aberta a possibilidade de ser rejeitada a novas evidências refutadoras. Salmon provavelmente aqui não conhecia a tese de Kuhn, de 1962, uma vez que para aceitar uma evidência como refutadora é preciso estar alinhada ao que é esperado dentro de um paradigma de uma hipótese.
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