In various places in this book, we have mentioned rules. In this chapter, we explain exactly what we mean by rules and provide a simple
When we first thought of presenting a
Rule model, we expected it to be a normal pattern rather than an archetype pattern. However, as you will see, we have been able to establish a one-to-one correspondence between this pattern and the concepts of formal logic. As such, we believe that the pattern really represents mathematical, and therefore archetypal, notions of rules in a very direct way.
Our main purpose in providing this
Rule pattern is to give you a concrete basis for understanding and working with the various kinds of rules you will ...