     alt="V = \{A,B,C\}"/>), we observe these entities and their interactions for a
                        period of one hour (<img class="math"
                                                 src="../_images/math/9fd285357429875c1a97d162e79100950275af9d.png"
                                                 alt="T = [0,60]"/>, the unit of measurement here is the minute but note
                        that time is modeled continuously.).</p>
                    <p><img class="math" src="../_images/math/21