The notion that 'could have' marks a genuine modal category,... - Kripke, Saul

This quote is attributed to Kripke, Saul.

"The notion that 'could have' marks a genuine modal category, not merely epistemic limitations, is central to sound metaphysics."

Kripke, Saul Philosophy

Philosopher-Logician American Born 1940 (age 86)

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