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| | Structure of Principia Cybernetica Web |
 | | Principia Cybernetica Web has a tree-like structure: each node, except the Home node, has usually one, sometimes more, parent nodes, which are hierarchically superior to it, the way a section of a book is on a higher level than a subsection. |
 | | This quasi-hierarchical ordering is reflected in the Table of Contents: child nodes are distinguished from their parent by one level of right indentation, as is common in "outliner" software. |
 | | Of course, the selection of parent or child links is not the only way to navigate from node to node: this would defeat the flexibility characteristic of the hypertext concept. |
| pespmc1.vub.ac.be /WEBSTRUCT.html (633 words) |
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