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From: Vaughan Pratt <pratt@cs.stanford.edu>
To: categories@mta.ca
Subject: Re: 2 is an unexampled even prime
Date: Fri, 20 Nov 2015 18:02:39 -0800	[thread overview]
Message-ID: <E1a0I69-0007hP-2U@mlist.mta.ca> (raw)
In-Reply-To: <E1ZydSM-00016P-4y@mlist.mta.ca>

"Even" can be dropped.  There being no preceding such, 2 is an
unexampled prime.

The occasion of two centuries (to within the very month) after Boole's
birth is a most auspicious one to point out that, as a prime number, the
number of solutions of x^2 = x is unprecedented.

Vaughan

On 11/14/2015 6:23 PM, pjf wrote:
> I wrote that I didn't know what "unexampled richness" means. Fred
> Linton was the first to tell me that it means unparalleled. Indeed,
> the Oxford English Dictionary gives the definition:
>
>     Having no preceding or similar example; unprecedented, unparalleled.
>
> and lists 7 citations, the earliest from 1610.
>
> Sounds like a contradiction to me.

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      reply	other threads:[~2015-11-21  2:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-15  2:23 pjf
2015-11-21  2:02 ` Vaughan Pratt [this message]

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