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Revision as of 13:58, 19 January 2009
, 13:58, 19 January 2009→1.3.10.7. Stretching Operations: mathematical markup
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| colspan="2" | <math>\downharpoonleft s \downharpoonright ~=~ q ~=~ f_Q ~=~ \upharpoonleft Q \upharpoonright.</math>
| colspan="2" | <math>\downharpoonleft s \downharpoonright ~=~ q ~=~ f_Q ~=~ \upharpoonleft Q \upharpoonright.</math>
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| valign="top" | 3.
| <math>X\!</math>
| align="center" | <math>=\!</math>
| <math>\{ x \in X : x \in Q \}</math>
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| align="center" | <math>=\!</math>
| <math>[| \upharpoonleft X \upharpoonright |] \quad = \quad \upharpoonleft X \upharpoonright^{-1} (\underline{1})</math>
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| align="center" | <math>=\!</math>
| <math>[| f_Q |] \quad = \quad f_Q^{-1} (\underline{1}).</math>
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<pre>
<pre>
X = {u C U : u C X}
= |{X}| = {X}-1(1)
= |{X}| = {X}-1(1)
