Mathlib Changelog
v3
Changelog
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Mathlib v3 is deprecated.
Go to Mathlib v4
Commit
2017-12-06 16:21
81e53e83
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feat(data/finset): add ssubset
Estimated changes
Modified
data/finset.lean
added
theorem
finset.erase_ssubset
added
theorem
finset.ssubset_iff
added
theorem
finset.ssubset_insert