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    Ptolemy's astronomical account saves the appearances but ... — Carmelics
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    Home/Skepticism
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    Ptolemy's astronomical account saves the appearances but may not be true, since the phenomena could be saved in some other way

    SkepticismTruth & Knowledge
    ?Rate how convincing each reason is below to see the overall strength.
    2 reasons for
    1 reason against

    Reasons For

    2 perspectives
    Reason for 1 of 2
    ?
    • 1.Duhem's thesis establishes that empirically equivalent rival theories are always constructible for any set of observational data.
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    • 2.Ptolemy's epicycles and Copernicus's heliocentrism both saved identical ancient phenomena, proving underdetermination is not merely hypothetical.
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    • 3.Underdetermination of theory by evidence entails that no single empirically adequate account can claim exclusive truth on observational grounds alone.
      ?

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    Reason for 2 of 2
    ?
    • 1.Averroes argued Ptolemy's epicycles and eccentrics are mathematically useful fictions that violate Aristotelian physical principles about natural circular motion.
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    • 2.A model violating known physical principles cannot be considered a true description of nature, only an instrumental calculating device.
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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.An account that saves the appearances is not necessarily the only possible account of those phenomena
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    • 2.Mathematical evidence from Ptolemy conflicts with Aristotle's astronomy
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    • 3.Saving the appearances does not guarantee the truth of the account
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    Related

    A model violating known physical principles cannot be considered a true descript...An account that saves the appearances is not necessarily the only possible accou...Averroes argued Ptolemy's epicycles and eccentrics are mathematically useful fic...Duhem's thesis establishes that empirically equivalent rival theories are always...
    +4 moreShow less
    Mathematical evidence from Ptolemy conflicts with Aristotle's astronomyPtolemy's epicycles and Copernicus's heliocentrism both saved identical ancient ...Saving the appearances does not guarantee the truth of the accountUnderdetermination of theory by evidence entails that no single empirically adeq...

    Similar

    An account that saves the appearances is not necessarily the only poss...87%Mathematical evidence from Ptolemy conflicts with Aristotle's astronom...70%Specific aspects of Plato's mathematical conception of the cosmos are ...70%Parmenides' cosmological claims in the Doxa section should be understo...70%

    Source

    AI-extracted1/3 agreementValid
    SEP: medieval-literary
    View source passageHide passage
    In the Latin West during the 12th and 13th centuries the goal of commentary was to explain the author’s intention. However, until the end of the 13th century, commentators worked on the assumption that the author intended to express the truth; thus every effort was made to bring an author’s text into harmony with the truth as the author understands it from what he takes to be authoritative sources. This attitude toward texts is generally thought to emerge from the tradition of biblical exegesis,
    Extraction notes

    Validity: Extracted via Max plan + API grounding/validity checks

    Details

    Type
    claim
    Perspectives
    3 (2 for, 1 against)
    Edits
    1 edit