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Single Idea 5636

[filed under theme 18. Thought / C. Content / 2. Ideas ]

Full Idea

Cartesian 'ideas' seem to be both concepts and propositions at once.

Gist of Idea

Cartesian 'ideas' confuse concepts and propositions

Source

Roger Scruton (Short History of Modern Philosophy [1981], Ch.4)

Book Ref

Scruton,Roger: 'A Short History of Modern Philosophy' [ARK 1985], p.44


A Reaction

This seems to be the simple reason why modern philosophers don't like this seventeenth century notion. There is something slightly too tidy about the modern notion of propositions built out of concepts. Animals see propositions in a flash.


The 18 ideas with the same theme [mental events which internally represent reality]:

True ideas are images, such as of a man, a chimera, or God [Descartes]
Ideas are powerful entities, which can produce further ideas [Spinoza, by Schmid]
An 'idea' is a mental conception which is actively formed by the mind in thinking [Spinoza]
Ideas are not images formed in the brain, but are the conceptions of thought [Spinoza]
An idea involves affirmation or negation [Spinoza]
Ideas are the objects of understanding when we think [Locke]
The word 'idea' covers thinking best, for imaginings, concepts, and basic experiences [Locke]
Complex ideas are all resolvable into simple ideas [Locke]
Thoughts correspond to sensations, but ideas are independent of thoughts [Leibniz]
An idea is an independent inner object, which expresses the qualities of things [Leibniz]
The idea of green seems simple, but it must be compounded of the ideas of blue and yellow [Leibniz]
We must distinguish images from exact defined ideas [Leibniz]
True ideas represent what is possible; false ideas represent contradictions [Leibniz]
By an 'idea' I mean not an actual thought, but the resources we can draw on to think [Leibniz]
Berkeley probably used 'idea' to mean both the act of apprehension and the thing apprehended [Russell on Berkeley]
Only philosophers treat ideas as objects [Reid]
Mental representations are the old 'Ideas', but without images [Fodor]
Cartesian 'ideas' confuse concepts and propositions [Scruton]