Combining Texts
Ideas for
'reports', 'Rationality in Action' and 'Principia Mathematica'
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5 ideas
2. Reason / A. Nature of Reason / 1. On Reason
3822
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Theory involves accepting conclusions, and so is a special case of practical reason [Searle]
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Full Idea:
Theoretical reason is typically a matter of accepting a conclusion or hypothesis on the basis of argument or evidence, and is thus a special case of practical reason.
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From:
John Searle (Rationality in Action [2001], Ch.3.VII)
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3811
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Entailment and validity are relations, but inference is a human activity [Searle]
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Full Idea:
We must distinguish between entailment and validity as logical relations on the one hand, and inferring as a voluntary human activity on the other.
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From:
John Searle (Rationality in Action [2001], Ch.1.II)
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2. Reason / A. Nature of Reason / 8. Naturalising Reason
3812
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Rationality is the way we coordinate our intentionality [Searle]
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Full Idea:
The constraints of rationality ought to be thought of adverbially; they are a matter of the way in which we coordinate our intentionality.
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From:
John Searle (Rationality in Action [2001], Ch.1.II)
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3806
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Rationality is built into the intentionality of the mind, and its means of expression [Searle]
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Full Idea:
Constraints of rationality are built into the structure of mind and language, specifically into the structure of intentionality and speech acts.
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From:
John Searle (Rationality in Action [2001], Int xiv)
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2. Reason / A. Nature of Reason / 9. Limits of Reason
1800
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Sceptics say reason is only an instrument, because reason can only be attacked with reason [Pyrrho, by Diog. Laertius]
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Full Idea:
The Sceptics say that they only employ reason as an instrument, because it is impossible to overturn the authority of reason, without employing reason.
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From:
report of Pyrrho (reports [c.325 BCE]) by Diogenes Laertius - Lives of Eminent Philosophers 09.Py.8
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