21970
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Philosophy attains its goal if one person feels perfect accord between their system and experience [Fichte]
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Full Idea:
If even a single person is completely convinced of his philosophy; ...if his free judgement in philosophising, and what life obtrudes upon him, are perfectly in accord; then in this person philosophy has completed its circuit and attained its goal.
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From:
Johann Fichte (works [1798], I:512), quoted by A.W. Moore - The Evolution of Modern Metaphysics 06.4
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A reaction:
Interesting to hear a famous idealist offering accordance with real life as a criterion for philosophical success. But that is real life, but not as you and I may know it.... His criterion is very subjective. A bad philosopher might attain it?
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14238
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A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege]
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Full Idea:
A class consists of objects; it is an aggregate, a collective unity, of them; if so, it must vanish when these objects vanish. If we burn down all the trees of a wood, we thereby burn down the wood. Thus there can be no empty class.
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From:
Gottlob Frege (Elucidation of some points in E.Schröder [1895], p.212), quoted by Oliver,A/Smiley,T - What are Sets and What are they For?
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A reaction:
This rests on Cantor's view of a set as a collection, rather than on Dedekind, which allows null and singleton sets.
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21964
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Reason arises from freedom, so philosophy starts from the self, and not from the laws of nature [Fichte]
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Full Idea:
Not by any law of nature do we attain to reason; we achieve it by absolute freedom. ...In philosophy, therefore, we must necessarily start from the self. The materialists' project of deriving the appearance of reason from natural laws is impossible.
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From:
Johann Fichte (works [1798], I:298), quoted by A.W. Moore - The Evolution of Modern Metaphysics
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A reaction:
I blame Descartes' Cogito for this misunderstanding. The underlying idea (in Kant, and probably earlier) is that pure reason needs pure free will. Modern thought usually sees reason as extremely impure.
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21968
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Abandon the thing-in-itself; things only exist in relation to our thinking [Fichte]
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Full Idea:
We must be rid of the thing-in-itself; for whatever we may think, we are that which thinks therein, and hence nothing could ever come to exist independently of us, for everything is necessarily related to our thinking.
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From:
Johann Fichte (works [1798], I:501), quoted by A.W. Moore - The Evolution of Modern Metaphysics 06.3
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A reaction:
Some statements of idealism are understandable, or even quite plausible, but this one sounds ridiculous. The idea that if human beings die out then reality ceases to exist is absurd humanistic vanity.
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21965
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Spinoza could not actually believe his determinism, because living requires free will [Fichte]
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Full Idea:
Spinoza could only think his philosophy, not believe it, for it stood in immediate contradiction to his necessary conviction in daily life, whereby he was bound to regard himself as free and independent.
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From:
Johann Fichte (works [1798], I:513), quoted by A.W. Moore - The Evolution of Modern Metaphysics 06.2
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A reaction:
This seems to be invoking Kant's idea that we must presuppose free will, rather than an assertion that we actually have it.
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