Opinionated History of Mathematics

Cracking tales of historical mathematics and its interplay with science, philosophy, and culture. Revisionist history galore. Contrarian takes on received wisdom. Implications for teaching. Informed by current scholarship. By Dr Viktor Blåsjö.

https://intellectualmathematics.com/blog/

Eine durchschnittliche Folge dieses Podcasts dauert 35m. Bisher sind 36 Folge(n) erschienen. Alle 1 Monate erscheint eine Folge dieses Podcasts.

Gesamtlänge aller Episoden: 22 hours 1 minute

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Review of Netz’s New History of Greek Mathematics


Reviel Netz’s New History of Greek Mathematics contains a number of factual errors, both mathematical and historical. Netz is dismissive of traditional scholarship in the field, but in some ways represents a step backwards with respect to that traditio...


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 2022-10-11  52m
 
 

The “universal grammar” of space: what geometry is innate?


Geometry might be innate in the same way as language. There are many languages, each of which is an equally coherent and viable paradigm of thought, and the same can be said for Euclidean and non-Euclidean geometries.


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 2022-05-20  32m
 
 

“Repugnant to the nature of a straight line”: Non-Euclidean geometry


The discovery of non-Euclidean geometry in the 19th century radically undermined traditional conceptions of the relation between mathematics and the world. Instead of assuming that physical space was the subject matter of geometry,


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 2022-02-21  30m
 
 

Rationalism 2.0: Kant’s philosophy of geometry


Kant developed a philosophy of geometry that explained how geometry can be both knowable in pure thought and applicable to physical reality. Namely, because geometry is built into not only our minds but also the way in which we perceive the world.


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 2021-11-18  30m
 
 

Rationalism versus empiricism


Rationalism says mathematical knowledge comes from within, from pure thought; empiricism that it comes from without, from experience and observation. Rationalism led Kepler to look for divine design in the universe,


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 2021-09-18  43m
 
 

Cultural reception of geometry in early modern Europe


Euclid inspired Gothic architecture and taught Renaissance painters how to create depth and perspective. More generally, the success of mathematics went to its head, according to some, and created dogmatic individuals dismissive of other branches of le...


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 2021-07-10  33m
 
 

Maker’s knowledge: early modern philosophical interpretations of geometry


Philosophical movements in the 17th century tried to mimic the geometrical method of the ancients. Some saw Euclid—with his ruler and compass in hand—as a “doer,” and thus characterised geometry as a “maker’s knowledge.


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 2021-05-10  49m
 
 

“Let it have been drawn”: the role of diagrams in geometry


The use of diagrams in geometry raise questions about the place of the physical, the sensory, the human in mathematical reasoning. Multiple sources of evidence speak to how these dilemmas were tackled in antiquity: the linguistics of diagram constructi...


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 2021-03-10  51m
 
 

Why construct?


Euclid spends a lot of time in the Elements constructing figures with his ubiquitous ruler and compass. Why did he think this was important? Why did he think this was better than a geometry that has only theorems and no constructions? In fact,


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 2021-01-20  1h18m
 
 

Created equal: Euclid’s Postulates 1-4


The etymology of the term “postulate” suggests that Euclid’s axioms were once questioned. Indeed, the drawing of lines and circles can be regarded as depending on motion, which is supposedly proved impossible by Zeno’s paradoxes.


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 2020-12-10  41m