Add the axiom stating that Seq#Take(s, Seq#Length(s)) == s) for all sequence s
#4194
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… `s` A trivial axiom that will help to deduce that "multiset(arr[..]) == multiset(arr[..arr.Length])" for any array `arr`. (fix dafny-lang#4184 ) <small>By submitting this pull request, I confirm that my contribution is made under the terms of the [MIT license](https://github.com/dafny-lang/dafny/blob/master/LICENSE.txt).</small>
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I'm merging your PR to a local branch so that we can run variability tests. I'll open another PR from the branch as well. |
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A trivial axiom stating
Seq#Take(s, Seq#Length(s)) == s)for all sequences. This will help deducing automatically and without using any workaround that "multiset(arr[..]) == multiset(arr[..arr.Length])" for any arrayarr.Fixes #4184
By submitting this pull request, I confirm that my contribution is made under the terms of the MIT license.