A Defence of the Indispensability of Metaphor

I argue for the possibility of the thesis that metaphors are indispensable for grasping and expressing certain propositions. I defend this possibility against the objection that, if metaphors express propositions, once these propositions are identified they should be specifiable by non-metaphorical means. I argue that this objection loses its strength if one adopts a Wittgensteinian, particularist view of thought, according to which grasping a propositional thought requires the ongoing exercise of a suitable skill often not characterizable by algorithmic rules. Within this particularist framework, thus, it becomes possible that metaphorical skills have an indispensable role in cognition and communication.