more from Baruch de Spinoza

Single Idea 17182

[catalogued under 10. Modality / C. Sources of Modality / 6. Necessity from Essence]

Full Idea

A thing is called necessary either in reference to its essence or its cause.

Gist of Idea

Necessity is in reference to essence or to cause


Baruch de Spinoza (The Ethics [1675], I Pr 33)

Book Reference

Spinoza,Benedict de: 'Ethics', ed/tr. White,WH/Stirling,AH [Wordsworth 2001], p.31

A Reaction

I like any proposal that necessity should be 'in reference to' something, rather than being free-standing. I like to add necessary 'for' something, which is often conceptual necessity. Roots are necessary for trees.