Full Idea
It is hard for the emotivist to give an analysis of the occurrence of moral ideas in unasserted contexts, such as "IF he did wrong, then he should be punished".
Gist of Idea
Emotivists find it hard to analyse assertions of moral principles, rather than actual judgements
Source
David O. Brink (Emotivism [1995], p.224)
Book Reference
'Cambridge Dictionary of Philosophy', ed/tr. Audi,Robert [CUP 1995], p.224
A Reaction
This is the 'Frege-Geach Problem'.