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70 lines
2.3 KiB
Markdown
70 lines
2.3 KiB
Markdown
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# Debate 1
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## Proposition
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> "Preferences are gibberish"
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## Argument
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| <font color="CC6600">**Definiendum**</font> | <font color="CC6600">**Definiens**</font> |
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|:-------------------------------------------:|:------------------------------------------------------- |
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| <font color="CC6600">**P**</font> | one's concept (x) is private |
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| <font color="CC6600">**E**</font> | others can have epistemic access to one's concept (x) |
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| <font color="CC6600">**R**</font> | a concept (x) can have a shared referent |
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| <font color="CC6600">**M**</font> | the concept (x) refers to material external to the mind |
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| <font color="CC6600">**C**</font> | a concept (x) can be communicated |
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| <font color="CC6600">**p**</font> | preference |
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<div style="text-align: center">
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<font color="CC6600">
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<b>P1)</b></font> One's concept is private if, and only if, others cannot have epistemic access to one's concept.
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<br />
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<font color="CC6600">
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<b>(∀x(Px↔¬Ex))</b>
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<br />
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<b>P2)</b></font> One's concept can have a shared referent if, and only if, one's concept refers to material external to the mind.
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<br />
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<font color="CC6600">
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<b>(∀x(Rx↔Mx))</b>
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<br />
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<b>P3)</b></font> One's concept can be communicated if, and only if, one's concept is not private and one's concept can have a shared referent.
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<br />
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<font color="CC6600">
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<b>(∀x(Cx↔¬Px∧Rx))</b>
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<br />
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<b>P4)</b></font> Others can not have epistemic access one's preferences.
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<br />
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<font color="CC6600">
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<b>(¬Ep)</b>
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<br />
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<b>P5)</b></font> One's preferences do not refer to material external to the mind.
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<br />
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<font color="CC6600">
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<b>(¬Mp)</b>
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<br />
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<b>C)</b></font> Therefore, one's preferences cannot be communicated.
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<br />
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<font color="CC6600">
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<b>(∴¬Cp)</b>
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<br />
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<br />
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</font>
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</div>
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[Proof Tree](https://www.umsu.de/trees/#(~6x(Px~4~3Ex)),(~6x(Rx~4Mx)),(~6x(Cx~4~3Px~1Rx)),(~3Ep),(~3Mp)|=(~3Cp))
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## Analysis
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1) No clear reason to accept P1, P2, or P3 until the modality for possibility/impossibility is provided.
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2) No clear reason to accept P4 or P5. They're just empirical claims.
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---
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# Hashtags
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#debate
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#debate_opponents
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#clowns
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#clownery
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#philosophy
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#moral_subjectivism
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