Section 9.4: add ≤-variant as a fourth item in ContinuousWithinAt.tfae#490
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teorth merged 1 commit intoteorth:mainfrom Apr 21, 2026
Merged
Section 9.4: add ≤-variant as a fourth item in ContinuousWithinAt.tfae#490teorth merged 1 commit intoteorth:mainfrom
teorth merged 1 commit intoteorth:mainfrom
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Tao's Proposition 9.4.7 (Exercise 9.4.1) states the ε-δ definition with both strict and non-strict inequalities. Add the non-strict variant as a fourth TFAE clause so the exercise matches the book. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Tao's Proposition 9.4.7 (Exercise 9.4.1) states the ε-δ definition with both strict and non-strict inequalities. Add the non-strict variant as a fourth TFAE clause so the exercise matches the book.