Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2021-12-06 06:48 e6ad0f29

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chore(analysis/inner_product/projections): generalize some lemmas (#10608)

  • generalize a few lemmas from [finite_dimensional 𝕜 ?x] to [complete_space ?x];
  • drop unneeded TC assumption in isometry.tendsto_nhds_iff;
  • image of a complete set/submodule under an isometry is a complete set/submodule.

Estimated changes