Ausdehnungslehre

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Ausdehnungslehre

work by Grassmann

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history of logic
Charles Sanders Peirce
…Grassmann published in 1844 his Ausdehnungslehre (“The Theory of Extension”), in which he used a novel and difficult notation to explore quantities (“extensions”) of all sorts—logical extension and intension, numerical, spatial, temporal, and so on. Grassmann’s notion of extension is very similar to the use of the broad term “quantity”…
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…Grassmann published in 1844 his Ausdehnungslehre (“The Theory of Extension”), in which he used a novel and difficult notation to explore quantities (“extensions”) of all sorts—logical extension and intension, numerical, spatial, temporal, and so on. Grassmann’s notion of extension is very similar to the use of the broad term “quantity”…
Read More