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2023-06-15 04:49
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feat: port RingTheory.RingHom.Surjective (
#5066
)
Estimated changes
Modified
Mathlib.lean
Created
Mathlib/RingTheory/RingHom/Surjective.lean
added
theorem
RingHom.surjective_ofLocalizationSpan
added
theorem
RingHom.surjective_respectsIso
added
theorem
RingHom.surjective_stableUnderBaseChange
added
theorem
RingHom.surjective_stableUnderComposition