Johan Commelin
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0a42a47ea8
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chore: mark Mul.mul and HMul.hMul as match_pattern (#6863)
This PR allows fixing regressions in mathlib introduced in
nightly-2024-02-25 by allowing the use of `x * y` in match patterns.
There are currently 11 instances in mathlib explicitly flagging the lack
of this match pattern.
This issue was previously pointed out in the following Zulip threads:
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https://leanprover.zulipchat.com/#narrow/channel/287929-mathlib4/topic/Algebra.2EFree/near/321482426
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https://leanprover.zulipchat.com/#narrow/channel/270676-lean4/topic/match_pattern.20attribute.20on.20Mul.2Emul/near/321505298
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https://leanprover.zulipchat.com/#narrow/channel/270676-lean4/topic/.40.5Bmatch_pattern.5D.20for.20basic.20binary.20operators/near/423734085
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https://leanprover.zulipchat.com/#narrow/channel/270676-lean4/topic/Mul.20match_pattern/near/430635623
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2025-01-31 05:39:33 +00:00 |
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