Commit 2023-05-17 22:42 8bf78812

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feat: port Analysis.NormedSpace.IsROrC (#4055)

Estimated changes

Modified Mathlib.lean

Created Mathlib/Analysis/NormedSpace/IsROrC.lean

added theorem ContinuousLinearMap.op_norm_bound_of_ball_bound

added theorem IsROrC.norm_coe_norm

added theorem LinearMap.bound_of_ball_bound'

added theorem LinearMap.bound_of_sphere_bound

added theorem NormedSpace.sphere_nonempty_isROrC

added theorem norm_smul_inv_norm'

added theorem norm_smul_inv_norm