Goodman did, however, considerably depart from the logical positivists in denying the comprehensibility of the analytic/synthetic distinction. This rejection and Goodman’s gradual account of synonymy (or, rather, likeness of meaning) developed out of an exchange of letters between Morton White, Quine, and Goodman, which is also the historical background of Quine’s famous “Two Dogmas of Empiricism” (Quine 1951a).