Full Idea
If statements whose a priori truth is known via the fixing of a reference are counted as analytic, then some analytic truths are contingent.
Gist of Idea
The a priori analytic truths involving fixing of reference are contingent
Source
Saul A. Kripke (Naming and Necessity notes and addenda [1972], note 63)
Book Reference
Kripke,Saul: 'Naming and Necessity' [Blackwell 1980], p.122