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Re: Quotient of vector spaces


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  • From: Jónathan Heras <>
  • To: Georges Gonthier <>
  • Cc: ssreflect <>
  • Subject: Re: Quotient of vector spaces
  • Date: Mon, 12 Sep 2011 18:09:01 +0200

Thanks for the quick answer.

Jónathan


El 12/09/11 17:59, Georges Gonthier escribió:
Indeed, this is not defined per se. Instead we provide a local complement (U
:\: V)%VS, as this is equivalent in the finite dimensional setting we use, and
somewhat easier to handle (because it does not involve the creation of a new,
dependent type). The parallel projection addv_pi2 V (U :\: V) can be used to
project U onto U :\: V when (V<= U)%VS. (Caveat: vector.v has relatively few
lemmas about these projections).

Georges

-----Original Message-----
From: Jónathan Heras []
Sent: 12 September 2011 16:30
To: ssreflect
Subject: Quotient of vector spaces

Does anyone know if the definition of quotient of vector spaces has been
defined in the current distribution of SSReflect?

I was looking it, and I almost sure that it was not defined, but could anyone
confirm me that?

Thank you in advance.

Jónathan.





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