Law of non-contradiction/Talk

Here's a simple example:

I state this to be true:

  If it is raining, I am wearing blue socks.

  If I am wearing blue socks, you cannot conclude that
  it is raining because I did not state that blue socks 
  are worn only when it is raining.

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The above is not an example of the law of noncontradiction, nor is it an example of a contradiction. But it is an example of a logical fallacy. (The name of the fallacy is affirming the consequent. --LMS