Month: August 2015

  • Actualisation of potentiality as such

    While we’re on the topic of confusing things Aquinas said, we can talk about his analysis of change, which he in turn gets from Aristotle. We’ve noted before that the first step in analysing change is the realisation that it involves the actualisation of a potential: When a hot cup of coffee gets cold, for example, →

  • On the homogeneity of measures

    In Summa Theologica II-I Q96 A2 corp. Aquinas says “a measure should be homogeneous with that which it measures”. While I could gather roughly what he was saying from the context, I must admit that this phrase confused me a bit. But what he’s saying isn’t really that confusing or complicated when we consider common →

  • Substantial and aggregate activities

    In the Physics Aristotle gives his famous definition of a substance, which he refers to as a thing that “exists by nature” or as a “natural object”: Some things exist by nature, others are due to other causes. Natural objects include animals and their parts, plants and simple bodies like earth, fire, air, and water; →