Combining Philosophers

Ideas for Eubulides, Rahulabhadra and Ruth Barcan Marcus

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4 ideas

9. Objects / D. Essence of Objects / 7. Essence and Necessity / b. Essence not necessities

11180

Essentialist sentences are not theorems of modal logic, and can even be false [Marcus (Barcan)]

11186

'Essentially' won't replace 'necessarily' for vacuous properties like snub-nosed or self-identical [Marcus (Barcan)]

11185

'Is essentially' has a different meaning from 'is necessarily', as they often cannot be substituted [Marcus (Barcan)]

9. Objects / D. Essence of Objects / 14. Knowledge of Essences

11182

If essences are objects with only essential properties, they are elusive in possible worlds [Marcus (Barcan)]