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Merge pull request #56 from al3623/cases_on_N

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Update cases tactic to work on N type
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Adam Chlipala 2022-02-06 13:04:19 -05:00 committed by GitHub
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FrapWithoutSets.v
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@ -229,6 +229,9 @@ Ltac cases E :=
((repeat match type of E with
| _ \/ _ => destruct E as [E | E]
end)
|| (match type of E with
| N => destruct E using indN
end)
|| (is_var E; destruct E)
|| match type of E with
| {_} + {_} => destruct E