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Theorem norm_sub_eq_norm_add

Modification history

2022-11-17 13:13
src/analysis/inner_product_space/basic.lean
refactor(analysis): change the symbol for norm to align with the unicode spec (#17575) …
Modified norm_sub_eq_norm_addView on Github →
2021-08-22 16:54
src/analysis/normed_space/inner_product.lean
refactor(geometry/euclidean/basic): adjust Euclidean geometry to use affine isometries for reflections (#8662)
Added norm_sub_eq_norm_addView on Github →