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2026-03-02 18:03
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feat(GroupTheory): explicit isomorphism between infinite cyclic groups and Z (
#35969
)
Estimated changes
Modified
Mathlib/GroupTheory/SpecificGroups/Cyclic.lean
added
theorem
intEquivOfZMultiplesEqTop_symm_apply_zsmul
added
theorem
intEquivOfZMultiplesEqTop_symm_self
added
theorem
intEquivOfZPowersEqTop_symm_self
added
theorem
mulintEquivOfZPowersEqTop_strictAnti
added
theorem
mulintEquivOfZPowersEqTop_strictMono
added
theorem
mulintEquivOfZPowersEqTop_symm_apply_zpow
added
theorem
zmultiplesHom_bijective
added
theorem
zpowersHom_bijective