MyWikiBiz, Author Your Legacy — Friday November 07, 2025
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, 18:16, 25 January 2009
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| | <br> | | <br> |
| | + | |
| | + | <pre> |
| | + | Rule 1 |
| | + | |
| | + | If X c U, |
| | + | |
| | + | then {X} : U -> B, |
| | + | |
| | + | and if u C U, |
| | + | |
| | + | then the following are equivalent: |
| | + | |
| | + | R1a. u C X. |
| | + | |
| | + | R1b. {X}(u). |
| | + | </pre> |