Pragmatic theory is the most simple idea that I have learned in philosophy. This theory basically says that something is true if it "works". That's is it. Right to the point. If it works, it is true. To build upon this idea pragmatists say that the test of truth is utility, workability, or satisfactory consequences. They also say that truth is not absolute or static in our continually changing world. They say truth is made by human adjustment.

The largest argument that I can think of against the pragmatic theory is that of observation. That is we might have something work, but it could be false. Have you ever done a math problem incorrectly yet still get the right answer? Well, to a pragmatist the incorrect way of doing the math problem is right until you do it another way that also gives you the right answer. This leads to pragmatists to say, just like people who believe in the coherency theory, that the truth will eventually negate falsehoods in life over time.