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v3
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Mathlib v3 is deprecated.
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Commit
2021-10-11 18:55
6872dfb5
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feat(analysis/normed/group/basic): add norm_le_add_norm_add (
#9655
) From LTE.
Estimated changes
Modified
src/analysis/normed/group/basic.lean
added
theorem
norm_le_add_norm_add