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Ideas for 'On the Philosophy of Logic', 'Truthmakers and Converse Barcan Formula' and 'Modern Philosophy:introduction and survey'

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2 ideas

28. God / B. Proving God / 2. Proofs of Reason / b. Ontological Proof critique
A thing can't be the only necessary existent, because its singleton set would be as well [Williamson]
'Existence' is not a predicate of 'man', but of the concept of man, saying it has at least one instance [Scruton]