Does anyone have a proof of Cauchy’s rigidity theorem? If possible, I want to have an electronic version of it. Besides, I am interested in knowing if it has any generalization to higher dimensions. Thanks for attention!_________________

世上沒有完美的人完美的事，而我們的責任就是要令自己的表演達至最精彩最完美。所以魔術一直都沒有停頓下來，與時代一起進步去追求無止境的完美。