Iconic example from diSessa of how representations -- the marks we see and manipulate -- determine what we can think. http://worrydream.com/oatmeal/changing-minds.jpg …
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@worrydream@juanbenet "notation" is everything. Feynman diagrams are another beautiful exampleThanks. Twitter will use this to make your timeline better. UndoUndo
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@worrydream and they're silly. Most people still don't recognize evolution. We press on regardless. (point them to arabic numerals, leibniz) -
@worrydream laplace on arabic/indian numbers: "in the first rank of useful inventions" https://www.evernote.com/shard/s198/sh/1ab5d9d6-fc07-4102-a525-12b639f18cf5/176375a248e555b3eadaf24cefaf884b/deep/0/Untitled-2.rtf.png …
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@worrydream@juanbenet this comes to mind: http://www.jsoftware.com/papers/tot.htmThanks. Twitter will use this to make your timeline better. UndoUndo
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@worrydream@juanbenet I'm talking about *exactly* that on sat, using dy/dx (vs Newtons 'fluxion' notation) and Dirac's Bra-Ket as egsThanks. Twitter will use this to make your timeline better. UndoUndo
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Yes folks, *notation* IS a language / technology / conceptual ability. And it has its own speed.
@worrydream@juanbenetThanks. Twitter will use this to make your timeline better. UndoUndo
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@worrydream@juanbenet and this book has lots of examples about notation, for example during telegraph invention http://www.amazon.com/The-Information-History-Theory-Flood/dp/1400096235 …Thanks. Twitter will use this to make your timeline better. UndoUndo
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@worrydream@juanbenet There’s a reason why we prefer Arabic to Roman numerals, even if they represent *the same numbers* :-) -
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@worrydream@juanbenet We get to *the things themselves* (or are diverted from them) through our own constructions. - 1 more reply
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