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It seems to inject a teleological aspect that is not present in the older formulation

primeness and all the other subject matter of mathematics have a reality independent of the human mind. This assumption goes under various names, one of which is Mathematical Platonism

Leibniz calls these mind-atoms by the name of monads.

Bertrand Russell called Leibniz's system "profound, coherent, largely Spinozistic, and amazingly logical."

In his philosophy he practiced an ecumenicism that in a lesser mind would strike us as suspicious or even craven.