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Single Idea 20311

[catalogued under 18. Thought / C. Content / 2. Ideas]

Full Idea

An idea, insofar as it is an idea, involves an affirmation or negation.

Gist of Idea

An idea involves affirmation or negation


Baruch de Spinoza (The Ethics [1675], II Pr49 sII)

A Reaction

Spinoza clearly distinguishes ideas from images, and here seems to identify ideas with propositions. Nowadays we say these are 'true or false', but Spinoza is more personal and psychological. I prefer his way of putting it.

Book Reference

Spinoza,Benedict de: 'Ethics', ed/tr. Curley,Edwin [Penguin 1996], p.64

Related Idea

Idea 5776 A proposition is what we believe when we believe truly or falsely [Russell]