Using systems theory to organize confusion

This paper represents an initial step in applying to complex clinical situations the symbolic logic developed by G. Spencer Brown and elaborated by Francisco Varela. This way of modeling turns out to yield an interesting mixture of rigidity, ambiguity, and paradox, perhaps inevitable at our present level of understanding of systems containing feedback. Applying the Brown-Varela concepts seems a useful transitional step toweard the future use of more sophisticated quantitative models such as those of Powers and Forrester.