*To*: isabelle-users at cl.cam.ac.uk*Subject*: Re: [isabelle] Operations over sets in Isabelle*From*: Jeremy Avigad <avigad at cmu.edu>*Date*: Tue, 04 May 2010 11:15:54 +0200*In-reply-to*: <4BDFD230.5000805@informatik.tu-muenchen.de>*References*: <228851272907913@web132.yandex.ru> <4BDFD230.5000805@informatik.tu-muenchen.de>*User-agent*: Thunderbird 2.0.0.24 (X11/20100317)

Best wishes, Jeremy Florian Haftmann wrote:

Hi Bogdan, as far as I understand, you want to take the product of two sets and then apply a binary operator on it. This can be done using the existing image (`) and product operators (<*>), e.g. (\<lambda>(a, b). a + b) ` (A <*> N) form the sum of two sets. Hope this helps, Florian

**References**:**[isabelle] Operations over sets in Isabelle***From:*grechukbogdan

**Re: [isabelle] Operations over sets in Isabelle***From:*Florian Haftmann

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