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directed_graph [2014/02/09 20:22] nikolaj |
directed_graph [2014/06/18 15:38] nikolaj |
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| ===== Directed graph ===== | ===== Directed graph ===== | ||
| ==== Set ==== | ==== Set ==== | ||
| - | | @#88DDEE: $ V,E $ ... set | | + | | @#55CCEE: context | @#55CCEE: $ V,E $ ... set | |
| - | + | | @#FFBB00: definiendum | @#FFBB00: $ \langle V,\langle E,\psi\rangle\rangle \in \mathrm{it}(E,V) $ | | |
| - | | @#FFBB00: $ \langle V,\langleE,\psi\rangle\rangle \in \mathrm{it}(E,V) $ | | + | | @#55EE55: postulate | @#55EE55: $ \psi $ ... function | |
| - | + | | @#55EE55: postulate | @#55EE55: $ \mathrm{dom}(\psi)=E $ | | |
| - | | @#55EE55: $ \psi $ ... function | | + | | @#55EE55: postulate | @#55EE55: $ \forall (e\in E).\ \exists (u,v\in V).\ \psi(e) = \langle v,u \rangle $ | |
| - | | @#55EE55: $ \mathrm{dom}(\psi)=E $ | | + | |
| - | + | ||
| - | | @#55EE55: $ \forall (e\in E).\ \exists (u,v\in V).\ \psi(e) = \langle v,u \rangle $ | | + | |
| ==== Discussion ==== | ==== Discussion ==== | ||
| Line 14: | Line 11: | ||
| === Subset of === | === Subset of === | ||
| [[Graph]] | [[Graph]] | ||
| - | === Requirements === | + | === Context === |
| [[Function]] | [[Function]] | ||
