[Merged by Bors] - chore: golf FunctionsBoundedAtInfty
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Use lemmas about `Filter.HasBasis` to golf some proofs.
urkud
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| apply lt_of_le_of_lt (hA z hz) | ||
| linarith | ||
| apply hzs | ||
| IsZeroAtImInfty f ↔ ∀ ε : ℝ, 0 < ε → ∃ A : ℝ, ∀ z : ℍ, A ≤ im z → abs (f z) ≤ ε := |
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How about:
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| IsZeroAtImInfty f ↔ ∀ ε : ℝ, 0 < ε → ∃ A : ℝ, ∀ z : ℍ, A ≤ im z → abs (f z) ≤ ε := | |
| IsZeroAtImInfty f ↔ ∀ ε > 0, ∃ A : ℝ, ∀ z : ℍ, A ≤ im z → abs (f z) ≤ ε := |
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I would prefer not to change the statement now (even up to a reducible definition).
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Use lemmas about `Filter.HasBasis` to golf some proofs.
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FunctionsBoundedAtInftyFunctionsBoundedAtInfty
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Use lemmas about `Filter.HasBasis` to golf some proofs.
semorrison
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Aug 14, 2023
Use lemmas about `Filter.HasBasis` to golf some proofs.
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Use lemmas about
Filter.HasBasisto golf some proofs.