Show HN: Linkitall – create dependency-graphs of ideas What is the structure of knowledge? It's a broad question, and finding a structure that suits everyone is no easy task. Consider this: a backend developer might view knowledge as a table accessible with different keys, while a teacher might perceive it as a book, complete with chapters, sections, and subsections—a linear structure, yet with a tree-shaped Table of Contents for efficient reference. Generally, the structure we require depends on (a) the data involved and (b) the purpose at hand. Let's narrow it down: What's a suitable structure for teaching scientific knowledge? In the context of a specific course, one can assert that certain ideas are more fundamental than others. There's a hierarchy of ideas, where complex ideas build upon simpler ones, and those, in turn, rest on basic concepts. In simpler terms, with the exception of a few obvious or axiomatic ideas, every other idea relies on something else. Organ...