You can read more about it here:
http://en.wikipedia.org/wiki/Principle_o..._or_denial
Basically, the principle of noncontradiction (i.e that "A is B" and "A is not B" cannot both be true or both be false at the same time) is, itself, neither verifiable or falsifiable, since any proof or disproof must use the law to reach a conclusion.
http://en.wikipedia.org/wiki/Principle_o..._or_denial
Basically, the principle of noncontradiction (i.e that "A is B" and "A is not B" cannot both be true or both be false at the same time) is, itself, neither verifiable or falsifiable, since any proof or disproof must use the law to reach a conclusion.
