Combining Texts

Ideas for 'Thinking About Mathematics', 'On Nature Itself (De Ipsa Natura)' and 'Ontology and Mathematical Truth'

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2 ideas

9. Objects / A. Existence of Objects / 2. Abstract Objects / c. Modern abstracta

9969	The empty set is the purest abstract object [Jubien]

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

12756

Substance is a force for acting and being acted upon [Leibniz]