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[placeholder PR uniting ongoing work on connections and geodesics]#36036

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grunweg wants to merge 642 commits into
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grunweg:hm-covder-bundled
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[placeholder PR uniting ongoing work on connections and geodesics]#36036
grunweg wants to merge 642 commits into
leanprover-community:masterfrom
grunweg:hm-covder-bundled

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@grunweg grunweg commented Mar 3, 2026

grunweg and others added 30 commits September 30, 2025 20:35
leanprover-community#28032 adds a test for this; no need to track it here
That file is extremely slow; let's postpone that investigation and move
forward with the remaining project first.
And fix the remaining branch to compile with them.
grunweg added a commit to grunweg/mathlib4 that referenced this pull request Apr 2, 2026
Also mark (Pre)Trivialization.coe_linearMapAt_of_mem simp.
From leanprover-community#36036, i.e. the path towards Ehresmann connections.

Co-authored by: Patrick Massot <patrickmassot@free.fr>
grunweg added a commit to grunweg/mathlib4 that referenced this pull request Apr 2, 2026
Also mark (Pre)Trivialization.coe_linearMapAt_of_mem simp,
and use this to golf two proofs.
From leanprover-community#36036, i.e. the path towards Ehresmann connections.

Co-authored by: Patrick Massot <patrickmassot@free.fr>
grunweg added a commit to grunweg/mathlib4 that referenced this pull request Apr 2, 2026
Also mark (Pre)Trivialization.coe_linearMapAt_of_mem simp,
and use this to golf two proofs.
From leanprover-community#36036, i.e. the path towards Ehresmann connections.

Co-authored by: Patrick Massot <patrickmassot@free.fr>
mathlib-bors Bot pushed a commit that referenced this pull request Apr 7, 2026
Also mark `(Pre)Trivialization.coe_linearMapAt_of_mem` simp. From #36036, i.e. the path towards Ehresmann connections.

Co-authored by: Patrick Massot <patrickmassot@free.fr>
xroblot pushed a commit to xroblot/mathlib4 that referenced this pull request Apr 10, 2026
Also mark `(Pre)Trivialization.coe_linearMapAt_of_mem` simp. From leanprover-community#36036, i.e. the path towards Ehresmann connections.

Co-authored by: Patrick Massot <patrickmassot@free.fr>
jessealama pushed a commit to jessealama/mathlib4 that referenced this pull request May 2, 2026
Also mark `(Pre)Trivialization.coe_linearMapAt_of_mem` simp. From leanprover-community#36036, i.e. the path towards Ehresmann connections.

Co-authored by: Patrick Massot <patrickmassot@free.fr>
gasparattila pushed a commit to gasparattila/mathlib4 that referenced this pull request May 9, 2026
Also mark `(Pre)Trivialization.coe_linearMapAt_of_mem` simp. From leanprover-community#36036, i.e. the path towards Ehresmann connections.

Co-authored by: Patrick Massot <patrickmassot@free.fr>
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grunweg commented May 12, 2026

Bumping status update: master is merged.
next: wait for CI to finish; fix the build if needed; mirror changes to Metric.lean and check if there's anything else.

@mathlib-merge-conflicts mathlib-merge-conflicts Bot added the merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) label May 14, 2026
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This pull request has conflicts, please merge master and resolve them.

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blocked-by-other-PR This PR depends on another PR (this label is automatically managed by a bot) merge-conflict The PR has a merge conflict with master, and needs manual merging. (this label is managed by a bot) t-differential-geometry Manifolds etc WIP Work in progress

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