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Revision as of 16:39, 25 June 2009
, 16:39, 25 June 2009→Factoring Functions: markup
Writing functional compositions <math>f = g \circ h</math> "on the right", we have the following data about the situation:
Writing functional compositions <math>f = g \circ h</math> "on the right", we have the following data about the situation:
<pre>
{| align="center" cellpadding="8" width="90%"
|
<math>\begin{array}{ccl}
X & = & \{ 1, 2, 3, 4, 5 \}
\\[4pt]
M & = & \{ b, e \}
\\[4pt]
Y & = & \{ A, B, C, D, E, F \}
\\[8pt]
f & : & X \to Y, ~\text{arbitrary}
</pre>
\\[4pt]
g & : & X \to M, ~\text{surjective}
\\[4pt]
h & : & M \to Y, ~\text{injective}
\\[8pt]
f & = & g \circ h
\end{array}</math>
|}
What does all of this have to do with reification and so on?
What does all of this have to do with reification and so on?
