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Thread: What is logic?

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    Contributor Speakpigeon's Avatar
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    What is logic?

    Please give a short description of whatever it is that you think deserves to be called logic.
    EB

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    Quote Originally Posted by Speakpigeon View Post
    Please give a short description of whatever it is that you think deserves to be called logic.
    EB
    The various paths a frog can take to traverse a pond peppered with lillypads.

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    Quote Originally Posted by Speakpigeon View Post
    Please give a short description of whatever it is that you think deserves to be called logic.
    EB
    "Garbage out, garbage in."

    I.e., logic is any reasoning procedure that can guarantee that whenever you get the wrong output from it, it's because you put the wrong input into it.

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    Quote Originally Posted by Speakpigeon View Post
    Please give a short description of whatever it is that you think deserves to be called logic.
    EB
    A set, V, of values and a set, O, of operators that each defines a rule to map a collection of operands from V to a single valued result in V

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    Veteran Member Lion IRC's Avatar
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    The abstract epistemic concept/law of necessary inference.

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    Junior Member Gila Guerilla's Avatar
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    Logic is a system of thinking, in which a bunch of statements are taken as starting points, which interact with one another using IF...THEN...AND...OR...NOT. . .etc. and from which an inescapable conclusion results. Logic does not necessarily produce truth, only a conclusion which fits the bunch of statements given.
    To accept by faith alone, is to shut out reason.

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    It is about ideas and their progression.

    Do they progress in a manner that can be defended?

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    Contributor Speakpigeon's Avatar
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    Quote Originally Posted by fast View Post
    Quote Originally Posted by Speakpigeon View Post
    Please give a short description of whatever it is that you think deserves to be called logic.
    EB
    The various paths a frog can take to traverse a pond peppered with lillypads.
    Please explain.

    I can see how one would go about making logical assertions about possible paths but how is that definitional of logic? If that is, anything is, it seems to me, since I can see how I could make logical assertions about just any situation.
    EB
    Last edited by Speakpigeon; 02-26-2017 at 03:45 PM.

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    Contributor Speakpigeon's Avatar
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    Quote Originally Posted by Juma View Post
    Quote Originally Posted by Speakpigeon View Post
    Please give a short description of whatever it is that you think deserves to be called logic.
    EB
    A set, V, of values and a set, O, of operators that each defines a rule to map a collection of operands from V to a single valued result in V
    Sounds like an algreba to me, not anything particular about logic. How is that specifically about logic?
    EB

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    Contributor Speakpigeon's Avatar
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    Quote Originally Posted by Lion IRC View Post
    The abstract epistemic concept/law of necessary inference.
    And do you see modern logic as an example or application of that idea or are you wedded to Aristotelian logc?

    Specifically, the notion of necessity is a modal one which as such is studiously ignored in the framework of modern logic, whereas it is essential to Aristotelian logic.
    EB

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