This is the paper I presented in the Phil. of Sci. seminar where we had no time for discussion. Would love to hear comments from you guys, both people in the seminar and those who are not. (This is a part of the practice for the seminar, and the paper is rather too long for a post. For those who are not in the seminar, if you could just read Part II, III, and VI, and offer some comments, that would be great.) (more…)