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Questions tagged [rigid-designator]

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3
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1answer
60 views

Measurement units and metaphysical necessity

I understand Kripke as arguing (in Naming and Necessity) that "a meter" is a rigid designator - it designates the same length in all possible worlds (on the other hand "the standard stick is a meter ...
3
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1answer
120 views

Could Napoleon have been born to different parents?

According to Kripke, things get their identities by being "baptized" with a rigid designator, and we refer to them by way of a causual chain. So it is not the case that Napoleon had to become Emperor ...
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3answers
101 views

Are there possible worlds that differ only in the assignment of rigid designators?

Is there an implicit idea in Kripe's definition of rigid designators that rules out the following possible world: Let A, B rigidly designate two things in the real world. Imagine the possible ...
1
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1answer
93 views

Does everything have at least one rigid designator?

Put antother way Proposition 1: for anything that exists in this world I can find/construct, even if just by assertion, a rigid designator that applies to it. Proposition 2: like proposition 1 but ...
1
vote
1answer
405 views

How can I tell when a term is a rigid designator?

Basically the title question: How can I tell if a term is a rigid designator? So far all I have is that proper names are (or can be, since there is a difference between "being named Barack Obama" ...
5
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0answers
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Rigid designators, equality and functions in many-valued logic and (simple) quantified modal logic [closed]

After reading "In Defense of the Simplest Quantified Modal Logic", I wonder how to add functions to the language of the simplest quantified modal logic (QML for short). The simplest model of QML has a ...
11
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2answers
447 views

Is “Mickey Mouse” a rigid designator?

According to Kripke, proper names, like Barack Obama, Michael Jackson etc are rigid designators. In all possible worlds, the name refers to the 'object' Barack Obama or Michael Jackson. This is true ...
7
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1answer
377 views

Is this sentence contingent or necessary true? A priori or a posteriori?

Given the following sentence "Barack Obama's name is Barack Obama According to Kripke, can we say that this sentence is necessary true or is it contingent? I'm confused because proper names are ...