[placeholder PR uniting ongoing work on connections and geodesics]#36036
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grunweg wants to merge 624 commits intoleanprover-community:masterfrom
Open
[placeholder PR uniting ongoing work on connections and geodesics]#36036grunweg wants to merge 624 commits intoleanprover-community:masterfrom
grunweg wants to merge 624 commits intoleanprover-community:masterfrom
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- product rule for manifold Lie bracket - ordering choice issues - finset vs std sum issues - threading one more assumption through the definition
… rule This solves the last "change the definition" sorry for Levi-Civita, I believe!
…order on the basis This fixes the ordering mismatch issues for proving we have a connection
…onvention. And extend the docs somewhat
I don't understand. Is this a regression/should this be reported? The changes to the proofs are not nice, in any case.
leanprover-community#28032 adds a test for this; no need to track it here
Not exhaustive yet
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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 <[email protected]>
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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 <[email protected]>
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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 <[email protected]>
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