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Re: EulerPhi[1]

  • To: mathgroup at smc.vnet.net
  • Subject: [mg9884] Re: [mg9858] EulerPhi[1]
  • From: Olivier Gerard <jacquesg at pratique.fr>
  • Date: Sun, 30 Nov 1997 00:39:33 -0500
  • Sender: owner-wri-mathgroup at wolfram.com

At 07:10 +0200 97.11.29, Frank Seaton Taylor wrote:
>
> My number theory text (Ireland and Rosen) defines it to EulerPhi[1] to
> be 1. This is consistent with the idea that EulerPhi[n] should be the
> number of primitive nth roots of unity.
>
While 0 is consistent with the older elementary definition
of count of numbers strictly inferior to n and prime with n.

Olivier



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