Differences
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directed_graph [2014/03/21 11:11] 127.0.0.1 external edit |
directed_graph [2014/06/18 15:38] nikolaj |
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==== Set ==== | ==== Set ==== | ||
| @#55CCEE: context | @#55CCEE: $ V,E $ ... set | | | @#55CCEE: context | @#55CCEE: $ V,E $ ... set | | ||
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| @#FFBB00: definiendum | @#FFBB00: $ \langle V,\langle E,\psi\rangle\rangle \in \mathrm{it}(E,V) $ | | | @#FFBB00: definiendum | @#FFBB00: $ \langle V,\langle E,\psi\rangle\rangle \in \mathrm{it}(E,V) $ | | ||
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| @#55EE55: postulate | @#55EE55: $ \psi $ ... function | | | @#55EE55: postulate | @#55EE55: $ \psi $ ... function | | ||
| @#55EE55: postulate | @#55EE55: $ \mathrm{dom}(\psi)=E $ | | | @#55EE55: postulate | @#55EE55: $ \mathrm{dom}(\psi)=E $ | | ||
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| @#55EE55: postulate | @#55EE55: $ \forall (e\in E).\ \exists (u,v\in V).\ \psi(e) = \langle v,u \rangle $ | | | @#55EE55: postulate | @#55EE55: $ \forall (e\in E).\ \exists (u,v\in V).\ \psi(e) = \langle v,u \rangle $ | | ||