Mathlib Changelog
v3
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Mathlib v3 is deprecated.
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Commit
2021-12-20 01:53
9cbd828a
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feat(data/finset/basic): add image_congr (
#10911
) Add
finset.image_congr
Estimated changes
Modified
src/data/finset/basic.lean
added
theorem
finset.image_congr