Full Idea
The trouble with appeal to facts in the correspondence theory is that, in general, we have no way of indicating what fact a sentence, when true, corresponds to other than asserting the sentence.
Gist of Idea
The only way to specify the corresponding fact is asserting the sentence
Source
Michael Williams (Problems of Knowledge [2001], Ch.12)
Book Reference
Williams,Michael: 'Problems of Knowledge' [OUP 2001], p.140