Reality is defined in reference to the two conditions that define dynamic systems. But these concepts define health in philosophical rather than empirical terms. They don't necessarily define individuals' personalities. However, an arbitrary choice table does not always define a fuzzy logic function. We can now define the gain functions. Governance can also define normative or practical agendas. Hence, we can define a corresponding problem in the decision space. We may also define it differently when working with finite sets. One can similarly define a strict partial ordering formula 245. There are a variety of ways to define strings in Ruby. Consequentialist theories differ in how they define moral goods. The scientific work of deciding how to define species has been called microtaxonomy. We can define a topology on formula 50. Homogeneous polynomials also define homogeneous functions. Dietary choices can also define cultures and play a role in religion.