:(Hope the notation is right) Maybe it should be put in another article, or in an essay. But the logic is fine.--[[User:Wuhao1911|Wuhao1911]] 15:05, 20 December 2009 (EST) | :(Hope the notation is right) Maybe it should be put in another article, or in an essay. But the logic is fine.--[[User:Wuhao1911|Wuhao1911]] 15:05, 20 December 2009 (EST) |