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Single Idea 16482

[filed under theme 11. Knowledge Aims / A. Knowledge / 1. Knowledge ]

Full Idea

All our knowledge about the world, in so far as it is expressed in words, is more or less general, because every sentence contains at least one word that is not a proper name, and all such words are general.

Gist of Idea

All our knowledge (if verbal) is general, because all sentences contain general words

Source

Bertrand Russell (An Inquiry into Meaning and Truth [1940], 5)

Book Ref

Russell,Bertrand: 'An Inquiry into Meaning and Truth' [Penguin 1967], p.82

A Reaction

I really like this, especially because it addresses the excessive reliance of some essentialists on sortals, categories and natural kinds, instead of focusing on the actual physical essences of individual objects.

The 15 ideas from 'An Inquiry into Meaning and Truth'

16477 Asserting not-p is saying p is false [Russell]
16484 There are four experiences that lead us to talk of 'some' things [Russell]
16486 The physical world doesn't need logic, but the mental world does [Russell]
16483 Disjunction may also arise in practice if there is imperfect memory. [Russell]
16480 A disjunction expresses indecision [Russell]
16479 'Or' expresses hesitation, in a dog at a crossroads, or birds risking grabbing crumbs [Russell]
16481 'Or' expresses a mental state, not something about the world [Russell]
16487 Maybe the 'or' used to describe mental states is not the 'or' of logic [Russell]
16475 A 'heterological' predicate can't be predicated of itself; so is 'heterological' heterological? Yes=no! [Russell]
16482 All our knowledge (if verbal) is general, because all sentences contain general words [Russell]
16476 For simple words, a single experience can show that they are true [Russell]
16485 Perception can't prove universal generalisations, so abandon them, or abandon empiricism? [Russell]
16478 A mother cat is paralysed if equidistant between two needy kittens [Russell]
2947 Questions wouldn't lead anywhere without the law of excluded middle [Russell]
4758 Naïve realism leads to physics, but physics then shows that naïve realism is false [Russell]