more from this thinker
|
more from this text
Single Idea 7296
[filed under theme 14. Science / C. Induction / 5. Paradoxes of Induction / a. Grue problem
]
Full Idea
'Grue' is not a colour.
Gist of Idea
'Grue' is not a colour
Source
Tom Milsted (talk [2006]), quoted by PG - Db (ideas)
A Reaction
This simple observation strikes me as rather crucial in assessing Goodman's paradox. Blue is a colour, but grue is some sort of behaviour. Blue is a secondary quality, but grue seems to be a primary quality.
The
20 ideas
with the same theme
[problem of a predicate which changes over time]:
17646
|
Goodman showed that every sound inductive argument has an unsound one of the same form
[Goodman, by Putnam]
|
18749
|
Goodman argued that the confirmation relation can never be formalised
[Goodman, by Horsten/Pettigrew]
|
17655
|
Grue and green won't be in the same world, as that would block induction entirely
[Goodman]
|
16933
|
Grue is a puzzle because the notions of similarity and kind are dubious in science
[Quine]
|
17675
|
Unlike 'green', the 'grue' predicate involves a time and a change
[Armstrong]
|
17683
|
Science suggests that the predicate 'grue' is not a genuine single universal
[Armstrong]
|
5485
|
Emeralds are naturally green, and only an external force could turn them blue
[Ellis]
|
15887
|
'Grue' introduces a new causal hypothesis - that emeralds can change colour
[Harré]
|
15888
|
The grue problem shows that natural kinds are central to science
[Harré]
|
15096
|
'Grue' only has causal features because of its relation to green
[Shoemaker]
|
8556
|
Grueness is not, unlike green and blue, associated with causal potential
[Shoemaker]
|
9652
|
To just expect unexamined emeralds to be grue would be totally unreasonable
[Lewis]
|
4783
|
Observing lots of green x can confirm 'all x are green' or 'all x are grue', where 'grue' is arbitrary
[Mautner, by PG]
|
3760
|
Predictions are bound to be arbitrary if they depend on the language used
[Bernecker/Dretske]
|
14989
|
Problem predicates in induction don't reflect the structure of nature
[Sider]
|
14997
|
Two applications of 'grue' do not guarantee a similarity between two things
[Sider]
|
6738
|
Any conclusion can be drawn from an induction, if we use grue-like predicates
[Bird]
|
6739
|
Several months of observing beech trees supports the deciduous and evergreen hypotheses
[Bird]
|
6799
|
We normally learn natural kinds from laws, but Goodman shows laws require prior natural kinds
[Bird]
|
7296
|
'Grue' is not a colour
[Milsted]
|