Mutability measures how likely an amino acid is to mutate acceptably. Wells and Gavanski (1989) studied counterfactual thinking in terms of mutability and causality. These core characteristics are volatility, mutability, accessibility, and addressability. The rhythm evokes the movement of the dragonfly and the mutability of human fortunes. The mutability of these types of graphs, is studied in the field of graph rewriting. The book's prologue muses on the mutability of fortune. Percy Shelley had written the Preface "Mutability". This is a part of the great universal law of perpetual mutability in everything. It is in their mutability between circumstances that give the terms such rhetorical power. Andersen also introduces the concept of mutability of his factors. Eyre's subjects and approaches are versatile and prone to mutability. This mutability, however, may only pertain to exceptional cases (i.e., car accident). An 1824 poem by Shelley is also sometimes published under the title "Mutability". This is necessary because of the mutability between art forms utilizing technology. Some Hakomi leaders add two more principles, truth and mutability.