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equality of sets defined by comprehension


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  • From: Filou Vincent <>
  • To:
  • Subject: equality of sets defined by comprehension
  • Date: Wed, 15 Apr 2009 14:50:39 +0200

Hi all,

I'm stuck in a proof at the following subgoal:
[set u \in V_of G | ((u, v) \in E_of G) || ((v, u) \in E_of G)] == [set u \in V_of G' | ((u, v') \in E_of G') || ((v', u) \in E_of G')]

Is there a way to transform it to something like

forall u, u \in V_of G ->(((u, v) \in E_of G) || ((v, u) \in E_of G)) == (((u, v') \in E_of G') || ((v', u) \in E_of G'))

?

And by the way, where can I find some documentation about the ssreflect library?

Thanks,
Vincent





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