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@ -107,6 +107,7 @@ For `Prop`, these tactics now suggest the `by_cases` tactic. Example:
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```
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tactic 'cases' failed, major premise type is not an inductive type
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Prop
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```
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* [#6381](https://github.com/leanprover/lean4/pull/6381) fixes a bug in `withTrackingZetaDelta` and
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`withTrackingZetaDeltaSet`. The `MetaM` caches need to be reset. See new
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@ -783,6 +784,7 @@ full structure lvals. Examples of these for structure instance notation:
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structure PosFun where
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f : Nat → Nat
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pos : ∀ n, 0 < f n
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```
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- [#6168](https://github.com/leanprover/lean4/pull/6168) extends the "motive is not type correct" error message for the
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rewrite tactic to explain what it means. It also pretty prints the
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