Archive for November 10th, 2013

November 10, 2013

Convention (5) – objections

by Neil Rickert

In this post I’ll respond to some of the objections raised by John Wilkins, as best I understand them.  John raised objections during our discussions in comments to his blog post “Are species theoretical objects“.  I want to be clear that I am not picking on John.  It is my impression that many philosophers have similar views, and I have come across that sort of disagreement in discussions elsewhere.

I’ll start with a quote from that discussion, which I think reasonably summarizes John’s position.

As to conventions, again we may mean different things. I am basing my understanding on a read through of Lewis’ Conventions a while back. Consider correctly driving on the left side. Yes, if we all did the same things we’d all be driving on the left, but there is no fact of the matter which is best, left or right. In the same way, we may all choose to classify using the same conventions, but there need be no fact of the matter tracked in virtue of it being a conventional classification. If all we are doing is following conventions, then the ranks or categories so constructed are flatus vocus. There is nothing “out there” that is being tracked.

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