[Chore] hotfix removed instance and add utility function
Description
An instance got removed by mistake and should be put back.
Additionally, since they could be useful to indigo
, some utility Peano functions have been added
Related issue(s)
None
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Tests (see short guidelines)
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If I added new functionality, I added tests covering it. -
If I fixed a bug, I added a regression test to prevent the bug from silently reappearing again.
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Edited by Pinto Pasquale