对，所以如果论点有效，一个演绎的有效论点中结论是假的，你就知道前提中有一项是假的。
That's right. So if you have a valid argument a deductively valid argument in which the conclusion is false then you know one of the premises must be false.
前提软件安装完成、Tapestry和全部依赖项设置好之后，就可以看看一些Tapestry Web应用程序是什么样了。
With the prerequisites installed and Tapestry and all its dependencies set up, you're ready to see what some Tapestry Web applications look like.
应用推荐