alleryWhich 255-page result shows that rigorous proofs can be extremely long?
AFour colour theorem
BPythagorean theorem
CEuclid's lemma proof
DFeit–Thompson theorem
Answer & Solution
Correct answer: D. Feit–Thompson theorem
1. Rigorous proofs can need hundreds of pages.
2. The Feit–Thompson theorem takes 255 pages.
3. The other results have short standard proofs.
_Source: Wikipedia, Mathematics, Rigor_
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