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4 ideas
17517 | Could the same matter have more than one form or principle of unity? [Ayers] |
6465 | We need not deny substance, but there seems no reason to assert it [Russell] |
6471 | The assumption by physicists of permanent substance is not metaphysically legitimate [Russell] |
17513 | If there are two objects, then 'that marble, man-shaped object' is ambiguous [Ayers] |