| Line 117: |
Line 117: |
| | |- | | |- |
| | | | | | |
| − | ''X''<sub>''i''</sub><br>
| + | <math>\begin{matrix} |
| − | 〈''x''<sub>''i''</sub>〉<br>
| + | X_i \\ |
| − | isomorphic to '''K''' | + | \langle x_i \rangle \\ |
| | + | \mbox{isomorphic to}\ \mathbb{K} \\ |
| | + | \end{matrix}</math> |
| | | | | | |
| − | <u>''X''</u><sub>''i''</sub><br> | + | <math>\begin{matrix} |
| − | {(<u>''x''</u><sub>''i''</sub>), <u>''x''</u><sub>''i''</sub>}<br> | + | \underline{X}_i \\ |
| − | isomorphic to '''B''' | + | \{(\underline{x}_i), \underline{x}_i \} \\ |
| | + | \mbox{isomorphic to}\ \mathbb{B} \\ |
| | + | \end{matrix}</math> |
| | | | | | |
| − | ''A''<sub>''i''</sub><br>
| + | <math>\begin{matrix} |
| − | {(''a''<sub>''i''</sub>), ''a''<sub>''i''</sub>}<br> | + | A_i \\ |
| − | isomorphic to '''B''' | + | \{(a_i), a_i \} \\ |
| | + | \mbox{isomorphic to}\ \mathbb{B} \\ |
| | + | \end{matrix}</math> |
| | |- | | |- |
| | | | | | |