Mathlib Changelog
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2025-08-18 20:42
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feat: lift star-preserving actions to actions between unitary groups (
#28309
)
Estimated changes
Modified
Mathlib/Algebra/Star/Unitary.lean
added
theorem
unitary.coe_smul
added
theorem
unitary.smul_mem
added
theorem
unitary.smul_mem_of_mem