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Logic af Wilfrid Hodges
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Logic (original 1977; udgave 2001)

af Wilfrid Hodges (Forfatter)

MedlemmerAnmeldelserPopularitetGennemsnitlig vurderingOmtaler
359453,674 (3.41)3
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.… (mere)
Medlem:Arst
Titel:Logic
Forfattere:Wilfrid Hodges (Forfatter)
Info:Penguin (2001), Edition: 2, 304 pages
Samlinger:1Right, Dit bibliotek
Vurdering:
Nøgleord:Ingen

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Logic af Wilfrid Hodges (1977)

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Solid intro to logic, which goes about its task in a (for me) odd way. Rather than teaching you a system of propositional calculus, then moving onto predicate logic, it kind of sort of recapitulates the reasons one might develop a propositional calculus in the first place, working from sentences and consistency, rather than arguments. I have no idea how you'd do with this if you hadn't done some logic, but it makes for a good refresher. As ever in these books, some of the answers are either flat out wrong, or feature typos. I don't mind that. Proofreading this stuff must be a nightmare. ( )
  stillatim | Oct 23, 2020 |
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. ( )
  chriszodrow | Aug 21, 2013 |
Much more interesting than I thought it would be, this is an introduction to Logic, not just mathematical logic. In other words, the most interesting part of this beginner book is the exposition of the relation between language and logic. While I didn't do the exercises, I did find it valuable to read and think about them.
  hmessing | May 10, 2012 |
Generally all adds up... ( )
  jontseng | Apr 14, 2008 |
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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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