工作䷧

符号关系•符号等价关系2

显示器1

\开始{数组}{clc}（x，y）&\在&E\\[4pt]x&\在&[y]_E\\[4pt]y&\在&[x]_E\\[4pt][x]_E&=&[y]_E\\[4 pt]x&=_E&y\end{array}

显示器2

\开始{数组}{ccc}[x]_E&=&\{y\在x:（x，y）\在E\}\\[6pt]x=_Ey&\Leftrightarrow&（x，y）\在E \结束{array}

显示器3

\开始｛array｝｛clc｝[x]_L&=&[y]_L\\[6pt]x&=_L&y\结束｛array｝

显示器4

\开始{矩阵}[{}^{\backprime\backprime}\mathrm{A}{}^}\prime\prime}]_{L_\mathrm{A}}&=&[{}^{\backprime\ backprime}\mathr m{i}{}数学{A}}&=&[{}^{\backprime\backprime}\mathrm{u}{}^\\prime\prime}]_{L_\mathrm{A}}\结束{矩阵}

显示器5

\开始{矩阵}{}^{\backprime\backprime}\mathrm{A}{}^{\prime\prime}&={L_\mathrm{A}}&{}^}\backrime\backtrime}\methrm{i}{}}^{\ prime\prime}\\[6pt]{}^{\backtprime\backprime}\mathrm{B}{}{{}\backprime}\mathrm{u}{}^{\prime\prime}\结束{matrix}

显示器6

\{{{}^{\backprime\backprime}\mathrm{A}{{{{\prime\prime}，{}^}\backrime\backbrime}\mathrm{i}{}^\\prime\prime}\}，\{{}^{\backprime\ backprime}\mathr m{B}{}{{\prime\prime}。

显示器7

\开始{矩阵}[{}^{\backprime\backprime}\mathrm{A}{}^\prime\prime}]{L_\mathrm{B}}&=&[{}^{\backprime\ backprime}\mathr m{u}{}{\prime\ prime}]{L_\ mathrm}B}}\\[6pt][{}}^{后prime\backprime{B}}^{\ prime\prime}]数学{B}}&=&[{}^{\backprime\backprime}\mathrm{i}{}^\\prime\prime}]_{L_\mathrm{B}}\结束{矩阵}

显示器8

\开始{矩阵}{}^{\backprime\backprime}\mathrm{A}{}^{\prime\prime}&={L_\mathrm{B}}&{}^}\backrime\backtrime}\mathrm{u}}^{prime\prime}\\[6pt]{}^{\backtprime\backprime}\methrm{B}{}}^}\prime\ prime}\backprime}\mathrm{i}{}^{\prime\prime}\结束{matrix}

显示器9

\{{{}^{\backprime\backprime}\mathrm{A}{{{{\prime\prime}，{}^}\backrime\backbrime}\mathrm{u}{}^\\prime\prime}\}，\{{}^{\backprime\ backprime}\mathr m{B}{}{{\prime\prime}。