Hilarious joke at expense of economists

"There are three men on a train. One of them is an economist and one of them is a logician and one of them is a mathematician. And they have just crossed the border into Scotland (I don't know why they are going to Scotland) and they see a brown cow standing in a field from the window of the train (and the cow is standing parallel to the train). And the economist says, 'Look, the cows in Scotland are brown.' And the logician says, 'No. There are cows in Scotland of which at least one is brown.' And the mathematician says, 'No. There is at least one cow in Scotland, of which one side appears to be brown.' And this is funny because economists are not real scientists and because logicians think more clearly, but mathematicians are best."

"I had a dog named Haskell and he had no nose. How did he smell? Terrible! This is funny because the dog may smell terrible as dogs sometimes do, but it is also terrible that the dog has no nose, hence there is a double meaning and there may even be more. It's also funny because of the use of italics.