Aristotle's Categories and Concerning Interpretation with Commentaries

Above all, Telford shows the Greeks were well aware of the procedures they used, while today there are few who even understand the relevance of procedure to science or philosophy. And it is procedure, far more than the discoveries dependent upon it, that constitutes, not only the greatest contribution of the Greeks, but the knowledge from which modern science might most sensibly profit. Moreover, Telford's explanation of the nature of procedure in all science, the variety of ways in which inquiry may be accomplished, is by far the most complete to be found.