Full Idea
Slingshot: 'Scott is the author of Waverley' and 'The number of counties in Utah is twenty-nine' can be rephrased by substitution so that they are both about the number twenty-nine, and are thus correspond to the same thing.
Gist of Idea
Two sentences can be rephrased by equivalent substitutions to correspond to the same thing
Source
Donald Davidson (Truth and Predication [2005], 6)
Book Reference
Davidson,Donald: 'Truth and Predication' [Belknap Harvard 2005], p.128
A Reaction
[my paraphrase of Davidson's quote from Church 1956:24] These sentences clearly do not correspond to the same thing, so something has gone wrong with the idea that logically equivalent sentences have identical correspondents.
Related Ideas
Idea 10750 Slingshot Argument: seems to prove that all sentences have the same truth-maker [Oliver]
Idea 19166 The Slingshot assumes substitutions give logical equivalence, and thus identical correspondence [Davidson]