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subobject_classifier [2015/03/22 01:37] nikolaj |
subobject_classifier [2015/03/22 01:38] nikolaj |
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| === Elaboration === | === Elaboration === | ||
| - | The postulate says that for any given mono $m_S$ from $S$ to $X$, there is a unique arrow $\chi_S$ from $X$ to the domain of $\top$, such that the following is a [[pullback . category theory|pullback]] diagram | + | The postulate says that for any given mono $m_S$ from $S$ to $X$, there is a unique arrow $\chi_S$ from $X$ to the domain $\Omega$ of $\top$, such that the following completes to a [[pullback . category theory|pullback]] diagram |
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