![Leopold Kronecker Image source: Unknown source Leopold Kronecker Image source: Unknown source](http://www.timeone.ca/wp-content/uploads/2012/06/Leopold-Kronecker.jpg)
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Leopold Kronecker was a 19th-century German logician and mathematician who worked with real numbers but argued that only natural numbers are real.
Image source:
Unknown source
Leopold Kronecker was a 19th-century German logician and mathematician who worked with real numbers but argued that only natural numbers are real.