A consideration of medieval astronomy and the views of the philosopher William of Occam leads to a consideration of the ambiguities in the application of the principle of Occam's razor as it applies to problems in science, including the constants applicable to Einstein's Theory of General Relativity and cosmology. The principle can both be used to eliminate unnecessary irrelevancies, but also to constrain the development of imaginative theories.
Intermittent atrio‐ventricular block and ectopy in an infant following complex heart surgery: Occam's razor versus Hickam's dictum
