Quine maintains that there is no distinction between universally known collateral information and conceptual or analytic truths.
The particular example of analytic truth being necessary is not universally held among philosophers.
At the moment, he is thinking about methodology in metaphysics, our knowledge of analytic truth, and the nature of self-locating evidence.
Here analytic proposition refers to an analytic truth, a statement in natural language that is true solely because of the terms involved.
But he maintained a distinction between analytic truths (those true based only on the meanings of their terms) and tautologies (statements devoid of content).
An analytic truth is one whose predicate concept is contained in its subject concept.
Are there necessary truths that are not analytic truths?
Is the distinction between analytic truth and synthetic truth spurious?
But what's my analytic truth?
My analytic truth is that this is a man I once loved very much who made a mistake that led to tragic consequences.