MyWikiBiz, Author Your Legacy — Thursday November 06, 2025
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, 20:08, 11 January 2009
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| | :: <math>\overline{\underline{(}} \ldots \overline{\underline{)}}</math> | | :: <math>\overline{\underline{(}} \ldots \overline{\underline{)}}</math> |
| | + | |
| | + | {| align="center" cellpadding="8" width="90%" |
| | + | | |
| | + | <math>\begin{array}{lllll} |
| | + | {}^{_\sim}\!X |
| | + | & = & |
| | + | U - X |
| | + | & = & |
| | + | \{ \, u \in U : \underline{(} u \in X \underline{)} \, \}. |
| | + | \end{array}</math> |
| | + | |} |
| | + | |
| | + | {| align="center" cellpadding="8" width="90%" |
| | + | | |
| | + | <math>\begin{array}{lllll} |
| | + | {}^{_\sim}\!X |
| | + | & = & |
| | + | U - X |
| | + | & = & |
| | + | \{ \, u \in U : \tilde{(} u \in X \tilde{)} \, \}. |
| | + | \end{array}</math> |
| | + | |} |
| | | | |
| | :: <math>X = \{\ (\!|u|\!)(\!|v|\!),\ (\!|u|\!) v,\ u (\!|v|\!),\ u v\ \} \cong \mathbb{B}^2.</math> | | :: <math>X = \{\ (\!|u|\!)(\!|v|\!),\ (\!|u|\!) v,\ u (\!|v|\!),\ u v\ \} \cong \mathbb{B}^2.</math> |