diff options
Diffstat (limited to 'theories/Reals/Cauchy_prod.v')
| -rw-r--r-- | theories/Reals/Cauchy_prod.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/Reals/Cauchy_prod.v b/theories/Reals/Cauchy_prod.v index 6cd5fa17fa..543e1a8520 100644 --- a/theories/Reals/Cauchy_prod.v +++ b/theories/Reals/Cauchy_prod.v @@ -115,13 +115,13 @@ replace (pred (pred (N - k)))) (pred (pred N)) + An (S N) * sum_f_R0 (fun l:nat => Bn (S l)) (pred N)). rewrite (decomp_sum Bn N H1); rewrite Rmult_plus_distr_l. -pose +set (Z := sum_f_R0 (fun k:nat => sum_f_R0 (fun l:nat => An (S (S (l + k))) * Bn (N - l)%nat) (pred (pred (N - k)))) (pred (pred N))); - pose (Z2 := sum_f_R0 (fun i:nat => Bn (S i)) (pred N)); + set (Z2 := sum_f_R0 (fun i:nat => Bn (S i)) (pred N)); ring. rewrite (sum_N_predN |