## June 12, 2015

### Carnap and the Invariance of Logical Truth

#### Posted by David Corfield

I see Steve Awodey has a paper just out Carnap and the invariance of logical truth. We briefy discussed this idea in the context of Mautner’s 1946 article back here.

Steve ends the article by portraying homotopy type theory as following in the same tradition, but now where invariance is under homotopy equivalence. I wonder if we’ll see some variant of the model/theory duality he and Forssell found in the case of HoTT.

Posted at June 12, 2015 12:09 PM UTC

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### Re: Carnap and the Invariance of Logical Truth

The link to the paper seems to be broken.

Posted by: pnips on June 12, 2015 2:24 PM | Permalink | Reply to this

### Re: Carnap and the Invariance of Logical Truth

Thanks. Fixed now. I’m not sure if it’s freely available anywhere.

Posted by: David Corfield on June 12, 2015 2:39 PM | Permalink | Reply to this

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