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set_cardinality [2013/09/08 15:59] nikolaj |
set_cardinality [2014/03/21 11:11] 127.0.0.1 external edit |
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| ===== Set cardinality ===== | ===== Set cardinality ===== | ||
| - | ==== Definition ==== | + | ==== Set ==== |
| - | | @#88DDEE: $ X $ | | + | | @#55CCEE: context | @#55CCEE: $ X $ | |
| - | | @#FFBB00: $ \mathrm{card}(X)\equiv\mathrm{inf}\{\alpha\ |\ \alpha\in\mathrm{Ord}\ \land\ \alpha\approx X\} $ | | + | | @#FFBB00: definiendum | @#FFBB00: $ \mathrm{card}(X)\equiv\mathrm{inf}\{\alpha\ |\ \alpha\in\mathrm{Ord}\ \land\ \alpha\approx X\} $ | |
| ==== Discussion ==== | ==== Discussion ==== | ||
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| === Element of === | === Element of === | ||
| [[Ordinal number]] | [[Ordinal number]] | ||
| - | === Requirements === | + | === Context === |
| [[Non-strict partial order]], [[Bijective function]] | [[Non-strict partial order]], [[Bijective function]] | ||
