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[Coq-Club] 1 < two_power_pos p


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  • From: frank maltman <frank.maltman AT googlemail.com>
  • To: <coq-club AT inria.fr>
  • Subject: [Coq-Club] 1 < two_power_pos p
  • Date: Wed, 8 Jun 2011 23:50:56 +0000
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Hello.

Does anyone have a proof of 1 < two_power_pos p?

It seems quite obviously true given:

Coq < Eval cbv in two_power_pos 0.
Error: Only strictly positive numbers in type "positive".

Coq < Eval cbv in two_power_pos 1.
     = 2
     : Z



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