Papers should be 7-8 pages long.
All ravens are black.
As was mentioned in class, this last point may be a serious problem for the H-D model since it seems wrong to say that observations of swans confirm hypotheses about ravens. Justify your answer in detail. State the problem of underdetermination of theory by evidence. The earth was formed between 5.5 and 4.5 billion years ago and has a history roughly like the one described on pp. Moreover, the things you remember happening generally did happen.