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undirected_graph [2014/02/10 23:16] nikolaj |
undirected_graph [2014/06/18 15:40] nikolaj |
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===== Undirected graph ===== | ===== Undirected 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,\langle E,\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) = \{v,u\} $ | |
- | | @#55EE55: $ \mathrm{dom}(\psi)=E $ | | + | |
- | + | ||
- | | @#55EE55: $ \forall (e\in E).\ \exists (u,v\in V).\ \psi(e) = \{v,u\} $ | | + | |
==== Discussion ==== | ==== Discussion ==== | ||
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=== Subset of === | === Subset of === | ||
[[Graph]] | [[Graph]] | ||
- | === Requirements === | + | === Context === |
[[Function]] | [[Function]] |