So If you claim that all crows are black, and I show you a white crow, you can still go on and claim all crows are black. That's amazing. It's not logic, it's not reason, in fact it's total insanity, but it's amazing.
Explains a lot about creationists.
Creationist: "Nothing in a literal reading of the Bible contradicts science"
Scientist. "Yes it does. Science says the earth is 4.5 billion years old. But a literal reading of the Bible implies it's 6000 years old.
Creationist: "Nothing in a literal reading of the Bible contradicts science"
You keep getting confused between what is an "absolute rule" and what is a "general rule". Your example of one black cow is enough to counter an absolute rule of "All cows are white", not a general rule. And you're making fun of others?
Obviously, you're not a English Professor.