13190
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I don't admit infinite numbers, and consider infinitesimals to be useful fictions [Leibniz]
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Full Idea:
Notwithstanding my infinitesimal calculus, I do not admit any real infinite numbers, even though I confess that the multitude of things surpasses any finite number, or rather any number. ..I consider infinitesimal quantities to be useful fictions.
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From:
Gottfried Leibniz (Letters to Samuel Masson [1716], 1716)
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A reaction:
With the phrase 'useful fictions' we seem to have jumped straight into Harty Field. I'm with Leibniz on this one. The history of mathematics is a series of ingenious inventions, whenever they seem to make further exciting proofs possible.
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7657
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Intelligent agents are composed of nested homunculi, of decreasing intelligence, ending in machines [Dennett]
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Full Idea:
As long as your homunculi are more stupid and ignorant than the intelligent agent they compose, the nesting of homunculi within homunculi can be finite, bottoming out, eventually, with agents so unimpressive they can be replaced by machines.
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From:
Daniel C. Dennett (Sweet Dreams [2005], Ch.6)
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A reaction:
[Dennett first proposed this in 'Brainstorms' 1978]. This view was developed well by Lycan. I rate it as one of the most illuminating ideas in the modern philosophy of mind. All complex systems (like aeroplanes) have this structure.
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7656
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I don't deny consciousness; it just isn't what people think it is [Dennett]
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Full Idea:
I don't maintain, of course, that human consciousness does not exist; I maintain that it is not what people often think it is.
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From:
Daniel C. Dennett (Sweet Dreams [2005], Ch.3)
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A reaction:
I consider Dennett to be as near as you can get to an eliminativist, but he is not stupid. As far as I can see, the modern philosopher's bogey-man, the true total eliminativist, simply doesn't exist. Eliminativists usually deny propositional attitudes.
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5121
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Basing ethics on flourishing makes it consequentialist, as actions are judged by contributing to it [Harman]
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Full Idea:
Basing ethics on human flourishing tends towards utilitarianism or consequentialism; actions, character traits, laws, and so on are to be assessed with reference to their contributions to human flourishing.
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From:
Gilbert Harman (Human Flourishing, Ethics and Liberty [1983], 9.2.2)
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A reaction:
This raises the question of whether only virtue can contribute to flourishing, or whether a bit of vice might be helpful. This problem presumably pushed the Stoics to say that virtue itself is the good, rather than the resulting flourishing.
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