Mathlib Changelog
v4
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2024-11-02 20:31
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feat(Order/InitialSeg): extensionality for principal segments (
#17598
)
Estimated changes
Modified
Mathlib/Order/InitialSeg.lean
added
theorem
PrincipalSeg.ext
added
theorem
PrincipalSeg.toRelEmbedding_inj
added
theorem
PrincipalSeg.toRelEmbedding_injective