SDCAR2010【逻辑入门】（十四）Formal Logic (2)

flonacui

UP

cuteyaoyao

Thanks a lot.

The explanation of "only if" and "unless" is very good. It is a very good way to replace them with "if-clause". Thx, Scar!!

晓野的野

学习之！

wjtwenzi

Thanks a lot~~~SDCAR

sdcar2010

A unless B.
Translation: 1) If NOT B, then A; or 2) If NOT A, then B.

Not A unless B.
Translation: 1) If NOT B, then NOT A; or 2) If A, then B.

That's all you need to remember about the meaning of UNLESS.

fatbunbun

sdcar2010 发表于 2012-2-4 21:57
Suppose we have 100 people, then1) All = 100 people2) Many = between 1 and 100 people (inclusive)3)  ...

awesome!!!

echogmj

thanks for sharing ~~~

sa0314

Mark一下！               

梦季

感谢分享！               

梦季

Mark一下！