Content deleted Content added
→Illustrations: Grammar Tags: Mobile edit Mobile web edit |
→Explanations attributed to Brouwer: Grammar Tags: Mobile edit Mobile web edit |
||
Line 67:
===Explanations attributed to Brouwer===
The theorem is supposed to have originated from Brouwer's observation of a cup of gourmet coffee.<ref>The interest of this anecdote rests in its intuitive and didactic character, but its accuracy is dubious. As the history section shows, the origin of the theorem is not Brouwer's work. More than 20 years earlier [[Henri Poincaré]] had proved an equivalent result, and 5 years before Brouwer P. Bohl had proved the three-dimensional case.</ref>
If one stirs to dissolve a lump of sugar, it appears there is always a point without motion.
He drew the conclusion that at any moment, there is a point on the surface that is not moving.<ref name=Arte>This citation comes originally from a television broadcast: ''[https://archive.today/20130113210953/http://archives.arte.tv/hebdo/archimed/19990921/ftext/sujet5.html Archimède]'', [[Arte]], 21 septembre 1999</ref>
| |||