Note 36 — XI BUDDHISM AND THE PROBLEM OF THOUGHT

It is to this effect that E. Mach expresses himself on the subject of the concept in various passages in his works—for example, in the Wärmelehre and Erkenntnis und Irrtum. Ostwald defines the concept “as a rule in accordance with which we take note of definite characteristics of the phenomenon” (Naturphilosophie).