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Def Liberal Platonism / LP / terminology / Stalnaker: (early thesis): if the practice is legitimate (inferences, etc.) then we really make assertions and the semantics tells us really what the statements say - causal connection as a condition of reference is then superfluous. - Problem: the existence of numbers can not be constituted by a practice.
Liberal Platonism / Stalnaker: Solution: commitment to numbers is constituted by the endorsement of the practice. -
Liberal Platonism: in contrast to the MR is still verificationistic.
Ways a World may be Oxford New York 2003