The first is that it is possible for the subject to be justified in believing a false proposition (121). An example of this would be running a test, but it produced a false positive or negative. The test results would be considered justification for believing a proposition, but the test itself might be flawed. The second point is the fact that if a subject is justified in believing a proposition and a second proposition is deduced from the first, then the second proposition is also justified (121). An example would be that I say it's raining outside. I am justified in believing this because I looked out the window and saw the rain. From this proposition I can deduce that it is wet outside. Therefore I am justified in saying that it is wet outside because I am justified in saying that it is