[Merged by Bors] - feat(Algebra/Order/AbsoluteValue): Add AbsoluteValue.{le_add,sub_le_add}#10561
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These triangle inequalities bound `abv (a + b)` from below and `abv (a - b)` from above, are essentially `AbsoluteValue.le_sub` and `.add_le` with signs flipped, respectively.
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🚀 Pull request has been placed on the maintainer queue by ericrbg. |
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🚀 Pull request has been placed on the maintainer queue by ericrbg. |
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Co-authored-by: Eric Rodriguez <ericrboidi@gmail.com>
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bors r+ |
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Feb 15, 2024
…dd} (#10561) These triangle inequalities bound `abv (a + b)` from below and `abv (a - b)` from above, and are essentially `AbsoluteValue.le_sub` and `.add_le` with signs flipped, respectively.
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Pull request successfully merged into master. Build succeeded: |
riccardobrasca
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Feb 18, 2024
…dd} (#10561) These triangle inequalities bound `abv (a + b)` from below and `abv (a - b)` from above, and are essentially `AbsoluteValue.le_sub` and `.add_le` with signs flipped, respectively.
dagurtomas
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Mar 22, 2024
…dd} (#10561) These triangle inequalities bound `abv (a + b)` from below and `abv (a - b)` from above, and are essentially `AbsoluteValue.le_sub` and `.add_le` with signs flipped, respectively.
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These triangle inequalities bound
abv (a + b)from below andabv (a - b)from above, and are essentiallyAbsoluteValue.le_suband.add_lewith signs flipped, respectively.I use these inequalities for the
boundtactic (Zulip, and they seem appropriate to add as coreAbsoluteValuelemmas.