Hempel was a prominent logical positivist of the Berlin school.亨佩尔是柏林学派中突出的逻辑实证主义者。By far the most popular idea is the positivist one that we should keep only the facts.到目前为止，最流行的观点就是实证主义观点，即我们应该只记录事实。This is one of the disservices of positivism.这就是实证主义的危害之一。