On Monday, February 28, 2022 at 9:47:21 PM UTC+1 meeke...@gmail.com wrote:

>
>
> On 2/28/2022 2:47 AM, Tomas Pales wrote: 
> > The structure of every object should be reducible to a pure set, which 
> > is a set of sets of sets etc., down to empty sets. So in principle we 
> > could check the consistency of the structure by defining it as a pure 
> > set. But due to Godel's second incompleteness theorem we can't do even 
> > that because it is impossible to prove that set theory is consistent. 
> > But our inability to prove the consistency of an object has no impact 
> > on whether the object is consistent and thus whether it exists. We 
> > just know that if an object is not consistent it cannot exist because 
> > it is nonsense. 
>
> To say an object is consistent is nonsense.  It just means the object is 
> not self-contradictory.  But objects aren't propositions. So already 
> there's a category error.  


I said what it means that an object is consistent. It means that it is 
identical to itself, or in other words, it has the properties it has. No 
square circle.
 

> You refer to the properties of the object.  
> But those are mostly relational and we invent them, like my car that is 
> insurable.  They are no "of the object" per se.
>

What else do we invent? The whole world around us?

 

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