Full Idea
"The death of Caesar is true" is not, I think, the same proposition as "Caesar died".
Gist of Idea
"The death of Caesar is true" is not the same proposition as "Caesar died"
Source
Bertrand Russell (The Principles of Mathematics [1903], §478)
Book Reference
Russell,Bertrand: 'Principles of Mathematics' [Routledge 1992], p.478
A Reaction
I suspect that it was this remark which provoked Ramsey into rebellion, because he couldn't see the difference. Nowadays we must talk first of conversational implicature, and then of language and metalanguage.
Related Idea
Idea 3750 "It is true that x" means no more than x [Ramsey]