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Kronecker Wallis Books
Marie Curie’s thesis
Bilingual. French / English
40€
Only ~30 copies left. These have minor cosmetic flaws on the cover; the interior is in perfect condition.
Finishing it…
Out of Stock
Illustrating Nature.
The World Through the Eyes of Alexander von Humboldt
Leopold Kronecker and John Wallis had contrasting relationships with mathematical infinity.
John Wallis (17th century) was one of the first mathematicians to introduce the symbol ∞ for infinity in 1655, using it as a practical notation in his work on infinite series and calculus. He embraced infinity as a legitimate mathematical concept. In stark contrast, Leopold Kronecker (19th century) was philosophically opposed to treating infinity as a completed mathematical object. He famously rejected Georg Cantor’s groundbreaking work on infinite sets and believed mathematics should only deal with finite, constructible objects—summarized in his quote “God made the integers, all else is the work of man.”
So while Wallis helped bring infinity into mainstream mathematics, Kronecker fought against its abstract formalization, representing a fundamental philosophical divide about what mathematics should be.
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