In reading David Deutsch’s brilliant book, The Beginning of Infinity, I finally came across a couple of simple reasons why untestable theories in science are a dead-end and why the explanatory content of a theory matters. It’s very common for me to harp on about empiricism and evidence to friends and folk I debate on subjects like God, heaven, homeopathy, alternative medicine and other realms where science cannot speculate or has to no avail. I’ve never, however, managed to condense such lectures into conversational fragments that didn’t make them hate me by the time I finished. For that reason alone, I’m glad I came across Deutsch’s book; for my argumentative arsenal has increased.
Let me start by asking a few questions:
Q1 – What is the single factor that science, pseudoscience, and non-science have in common? (This is not a trick question).
A1 – The answer is that they started…
View original post 1,636 more words