9558
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All scientific tests will verify mathematics, so it is a background, not something being tested [Sober]
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Full Idea:
If mathematical statements are part of every competing hypothesis, then no matter which hypothesis comes out best in the light of observations, they will be part of the best hypothesis. They are not tested, but are a background assumption.
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From:
Elliott Sober (Mathematics and Indispensibility [1993], 45), quoted by Charles Chihara - A Structural Account of Mathematics
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A reaction:
This is a very nice objection to the Quine-Putnam thesis that mathematics is confirmed by the ongoing successes of science.
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6213
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A man cannot will to will, or will to will to will, so the idea of a voluntary will is absurd [Hobbes]
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Full Idea:
The will is not voluntary: for a man can no more say he will will, than he will will will, and so make an infinite repetition of the word 'will', which is absurd and insignificant.
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From:
Thomas Hobbes (Human Nature [1640], Ch.XII.5)
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A reaction:
A nice simple point, allied to Nietzsche's notion that thoughts are uncontrollable (Idea 2291). Even Aquinas, who is quite a fan of free will, spotted the problem (Idea 1854). Personally I agree with Hobbes. Free will is a shibboleth.
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6210
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Life has no end (not even happiness), because we have desires, which presuppose a further end [Hobbes]
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Full Idea:
For an utmost end, in which the ancient philosophers have placed felicity, there is no such thing in this world, nor way to it: for while we live, we have desires, and desire presupposeth a further end.
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From:
Thomas Hobbes (Human Nature [1640], Ch.VII.6)
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A reaction:
Kant's definition of happiness (Idea 1452) seems to be the underlying idea, and hence with the same implication (of impossibility). However, an alcoholic locked in a brewery would seem to have all that Hobbes requires for happiness.
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6212
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Lust involves pleasure, and also the sense of power in pleasing others [Hobbes]
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Full Idea:
Lust consists of two appetites together, to please, and to be pleased, and the delight men take in delighting is not sensual, but a pleasure or joy of the mind consisting in the imagination of the power they have so much to please.
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From:
Thomas Hobbes (Human Nature [1640], Ch.IX)
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A reaction:
Hobbes would rather burst a blood-vessel than admit any altruism. If you take pleasure in pleasing someone else, why can't that simply be because of the other person's pleasure, with which we sympathise, rather than relishing our own 'power'?
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