Metaphysics Mathematics and Meaning brings together Nathan Salmon''s influential papers on topics in the metaphysics of existence non-existence and fiction; modality and its logic; strict identity including personal identity; numbers and numerical quantifiers; the philosophical significance of G?del''s Incompleteness theorems; and semantic content and designation. Including a previously unpublished essay and a helpful new introduction to orient the reader the volume offers rich and varied sustenance for philosophers and logicians.