例文
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- The hypotheses of Goursat's theorem can be weakened significantly.
- The extended symmetry of each Goursat tetrahedron is also given below.
- In this form, Goursat's theorem also implies the snake lemma.
- Maybe the trick can be found in the proof of Goursat-lemma.
- Darmois earned his doctorate from the University of Paris in 1921, under supervision of 蒬ouard Goursat.