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I present and defend concept variability, the view that concepts can admit of indefinitely many variations and changes in their representational contents without thereby losing their identity. I argue that the variability of concepts is central to their role in enabling cognition, and thus that a concept's content variability is, despite philosophical orthodoxy to the contrary, a feature of our cognitive architecture and not a bug.The cognitive role of concept variabilityMind and Language. 2025.
