Single Idea 14997

[catalogued under 14. Science / C. Induction / 5. Paradoxes of Induction / a. Grue problem]

Full Idea

The applicability of 'grue' to each of a pair of particulars does not guarantee the similarity of those particulars.

Gist of Idea

Two applications of 'grue' do not guarantee a similarity between two things

Source

Theodore Sider (Writing the Book of the World [2011], 06.2)

Book Reference

Sider,Theodore: 'Writing the Book of the World' [OUP 2011], p.89


A Reaction

Grue is not a colour but a behaviour. If two things are 'mercurial' or 'erratic', will that ensure a similarity at any given moment?