Mathlib v3 is deprecated. Go to Mathlib v4

Theorem inner_eq_sum_norm_sq_div_four

Modification history

2021-01-27 01:48
src/analysis/normed_space/inner_product.lean
feat(analysis/normed_space): define linear isometries (#5867) …
Added inner_eq_sum_norm_sq_div_fourView on Github →