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[Merged by Bors] - chore: revert removal of tactic usage in Archive#19974

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revert_tactic_removal_in_archive
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[Merged by Bors] - chore: revert removal of tactic usage in Archive#19974
kim-em wants to merge 1 commit intomasterfrom
revert_tactic_removal_in_archive

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@kim-em kim-em commented Dec 15, 2024

This reverts a change from #19691, which unnecessarily removed a tactic invocation in favour of writing out lemmas. The archive should be demonstrating good style, and unless there is a verbosity or speed issue, robust and well specified tactics should always be preferred over proofs that require knowing lemmas (even if, as in this case, those lemmas are easy to identify and use).

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PR summary 57e0d4a423

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

No declarations were harmed in the making of this PR! 🐙

You can run this locally as follows
## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>

The doc-module for script/declarations_diff.sh contains some details about this script.


No changes to technical debt.

You can run this locally as

./scripts/technical-debt-metrics.sh pr_summary
  • The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
  • The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

@github-actions github-actions bot added the IMO Math olympiad problems label Dec 15, 2024
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grunweg commented Dec 15, 2024

Does what it says. A(nother) maintainer please confirm if this is desired.
maintainer delegate?

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🚀 Pull request has been placed on the maintainer queue by grunweg.

@github-actions github-actions bot added the maintainer-merge A reviewer has approved the changed; awaiting maintainer approval. label Dec 15, 2024
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🚀 Pull request has been placed on the maintainer queue by grunweg.

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🚀 Pull request has been placed on the maintainer queue by grunweg.

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bors r+

@ghost ghost added the ready-to-merge This PR has been sent to bors. label Dec 15, 2024
mathlib-bors bot pushed a commit that referenced this pull request Dec 15, 2024
This reverts a change from #19691, which unnecessarily removed a tactic invocation in favour of writing out lemmas. The archive should be demonstrating good style, and unless there is a verbosity or speed issue, robust and well specified tactics should always be preferred over proofs that require knowing lemmas (even if, as in this case, those lemmas are easy to identify and use).
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mathlib-bors bot commented Dec 15, 2024

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title chore: revert removal of tactic usage in Archive [Merged by Bors] - chore: revert removal of tactic usage in Archive Dec 15, 2024
@mathlib-bors mathlib-bors bot closed this Dec 15, 2024
@mathlib-bors mathlib-bors bot deleted the revert_tactic_removal_in_archive branch December 15, 2024 13:41
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3 participants