From d1d2e405904ce56fc83ca5cc37a87e2dd2154a24 Mon Sep 17 00:00:00 2001 From: szdytom Date: Mon, 7 Jul 2025 13:18:48 +0800 Subject: [PATCH] clear notation for F and n Signed-off-by: szdytom --- sections/1A.typ | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sections/1A.typ b/sections/1A.typ index a1aa3f3..d999ade 100644 --- a/sections/1A.typ +++ b/sections/1A.typ @@ -1,4 +1,4 @@ -#import "../styles.typ": exercise_sol, ee, ii, note, tab, simple_box +#import "../styles.typ": exercise_sol, ii, note, tab, simple_box == $RR^n$ 和 $CC^n$ @@ -115,6 +115,8 @@ #exercise_sol(type: "proof")[ 证明：$(x+y)+z=x+(y+z)$ 对所有 $x,y,z in FF^n$ 成立。 + + #note[注：沿用原书记号1.6与记号1.10，即 $FF$ 表示 $RR$ 或 $CC$，$n$ 表示某一固定的正整数。下文不再赘述。] ][ #tab 根据定义，令 $x = (x_1, x_2, dots, x_n)$，$y = (y_1, y_2, dots, y_n)$，$z = (z_1, z_2, dots, z_n)$，则有： $ (x+y)+z &= ((x_1+y_1, x_2+y_2, dots, x_n+y_n) + (z_1, z_2, dots, z_n)) \