8 ideas
13591 | Quantified modal logic collapses if essence is withdrawn [Quine] |
13590 | Essences can make sense in a particular context or enquiry, as the most basic predicates [Quine] |
8483 | Necessity is relative to context; it is what is assumed in an inquiry [Quine] |
13589 | Possible worlds are a way to dramatise essentialism, and yet they presuppose essentialism [Quine] |
13588 | A rigid designator (for all possible worlds) picks out an object by its essential traits [Quine] |
13592 | Beliefs can be ascribed to machines [Quine] |
8693 | An 'abstraction principle' says two things are identical if they are 'equivalent' in some respect [Boolos] |
19087 | The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce] |