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The Sweep-In Process of Systems Science (Churchman)

It the systems sciences are an open system, then learning more and more about systems of interest are foundational.  This was called a sweep-in process by C. West Churchman, in the heritage of Edgar A. Singer. Jr.  A concise definition is found in the entry on “Experimentalism” in the International Encyclopedia of Systems and Cybernetics:

EXPERIMENTALISM

A methodology of inquiry that assumes the indissoluble interconnection between facts and scientific laws.

Experimentalism has been proposed by E.A. SINGER Jr. and developed by C.W. CHURCHMAN and R.L. ACKOFF. [….]

According to C.W. CHURCHMAN, the “original question becomes more and more complicated, not simpler and simpler. This learning “more and more” is what, following SINGER, I call the “sweep-in process” of systems science” (1981, p.1-2).

  • CHURCHMAN, C. West.  “An Appreciation of E.A. Singer Jr: the first Singer lecture”. Soc. Syst. Science. Dpt, Univ. Pennsylvania, Philadelphia, 1981.

There’s a more detailed exposition on sweeping-in from the last chapter in the 1982 book, Thought and Wisdom.  This hard-to-find source is fortunately available on the Internet Archive.  An excerpt is provided here, for convenience.


CHAPTER 10: AN APPRECIATION OF EDGAR ARTHUR SINGER, JR.

* Given 12 September 1981 as the First Edgar Arthur Singer, Jr., Lecture of the Busch Center at Wharton School, University of Pennsylvania. This paper was completed in April 1982.

I have selected the title of this chapter rather carefully. An appreciation of someone’s lifetime work is not just an evaluation; it is also a process of adding to and adjusting the results of that lifetime of creation of ideas and a system of philosophy.… Read more (in a new tab)

C. West Churchman on the I Ching

A luminary in the systems movement, C. West Churchman, showed some respect for Chinese philosophy, with the I Ching (Yi Jing) in particular.

Deborah Hammond was encouraged by West Churchman into joining and becoming a historian of the systems movement.  In her 2003 book, Hammond wrote of her conversations with Churchman, back into his days with the Society for General Systems Research (SGSR).

— begin excerpt from Hammond (2003)

Historical Roots of Systems Thinking

C. West Churchman, who first introduced me to the general-systems community, was a longtime member and former president of the SGSR and has written extensively on the topic of systems thinking. His own professional evolution is typical of the intellectual richness of the tradition. He describes himself as an intellectual grandson of William James, having studied philosophy with a student of James’s by the name of E. A. Singer. During World War II, he was actively involved with the development of operations research, going on to spend much of his professional career teaching in the School of Business at the University of California at Berkeley. After retirement (and into his early eighties), he continued to work in the Peace and Conflict Studies Program, teaching courses on ethics.[17] [p. 12]

  • [17] See C. West Churchman, The Design of Inquiring Systems (1971), The Systems Approach (1979), and The Systems Approach and Its Enemies (1979). He was the primary author, with Russell Ackoff and Leonard Arnoff, of Introduction to Operations Research (1957), one of the first textbooks in the new field.
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The Systems Approach and Its Enemies | C. West Churchman | 1979

West Churchman (1913-2004) was a Ph.D. supervisor to some luminaries in the systems sciences, including  Russell L. Ackoff, Ian Mitroff, Harold G. Nelson and Werner Ulrich.  Churchman’s 1979 book, The Systems Approach and Its Enemies, is unfortunately out of print, and is only readable on the web if you already have the text to search on.  Here, some excerpts will be surfaced that may encourage readers to seek a copy in a local library.

Preface

[….] This book is just another step in the search for the meaning of generality, in this case a general design of social systems.

There are lots of themes that can be used to describe this search. Perhaps the best one is the discovery that the usual dichotomy of x or not x never seems to display the general, because neither of the above is always so prominent an aspect of the general social system. Thus there is an immense part of social systems reality that is none of the following popular dichotomies in the current literature: rational-irrational, objective-subjective, hierarchical-nonhierarchical, teleological-ateleological, deductive-nondeductive reasoning (for example, inductive or dialectical), ineffable-effable.

In the text I have used the word enemy to connote this immense land of social systems that has remained largely unexplored by “hard” systems analysts, who thereby reveal a distinct softness of living by avoiding the dangers of exploring unmapped lands.  [p. xi]

01 On Systems and Their Design

This first chapter is intended to show that the proper design is not a simple matter of fixing up some messes within the system.… Read more (in a new tab)

Christopher Alexander, Horst Rittel, C. West Churchman

At U.C. Berkeley in the 1960s, Christopher Alexander, Horst Rittel and C. West Churchman could have had lunch together.  While disciplinary thinking might lead novices to focus only on each of pattern language, wicked problems and the systems approach, there are ties (as well as domain-specific distinctions) between the schools.

West Churchman joined Berkeley in 1957, and initiated master’s and doctoral programs in operations research at the School of Business Administration.   From 1964 to 1970, Churchman was associate director and research philosopher at UC Berkeley’s Space Sciences Laboratory, directing its social sciences program.  After his retirement in 1981, Churchman taught in the Peace and Conflict Studies program for 13 years.

Horst Rittel came to the Berkeley College of Environmental Design in 1963, the same year that dean William Wurster recruited Christopher Alexander.  In 1973, Rittel split his time between Berkeley and the architecture faculty at the University of Stuttgart, where he founded the Institut für Grundlagen der Planung.

Christopher Alexander became a cofounder of the Center for Environmental Structure at Berkeley in 1967, gradually moving outside of the university by 2000.

The tie between Churchman and Rittel are well-documented, in a 1967 article in Management Science.

Professor Horst Rittel of the University of California Architecture Department has suggested in a recent seminar that the term “wicked problem” refer to that class of social system problems which are ill-formulated, where the information is confusing, where there are many clients and decision makers with conflicting values, and where the ramifications in the whole system are thoroughly confusing.

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Generative AI and Inquiring Systems: Ways of Patterning and Ways of Knowing | Systems Thinking Ontario | 2025-01-08

In the 1970s, five ways of knowing were established by C. West Churchman in The Design of Inquiring Systtems. In the 1990s, his student Ian Mitroff carried on the tradition and extended that work in The Unbounded Mind.  Now in the 2020s, the technology of Generative AI opens up opportunties to query or request responses through chatbot interfaces, drawing from bodies of codified knowledge in a style expressed implicitly or explicitly.  Just as there are multiple ways of knowing, there are multiple ways in which underlying language models can be implemented and/or mixed.

The January 2025 Systems Thinking Ontario session, included:

  • the progression of patterning of information, in a simile of a recipe collection, from the days of cookbooks on library shelves, through the now familiar technologies of search engines and data science, to the new transformer and retrieval augmented generation techniques;
  • some Q+A chat challenges, feeding the same question and observing the differences in responses across (i) OpenAI ChatGPT, (ii) Microsoft Copilot, (iii) Mistral LeChat, (iv) Anthropic Claude, (v) Google NotebookLM, and (vi) Preplexity.ai;
  • five inquiring systems described in a mini-lecture, followed by summarized descrptions by each of the six generative AI products; and
  • a hypothetical scenario requesting the how the five inquiring systems might guide ways of deciding about Small Modular Reactors for Canada.

The discussion closed with an outline of Type 1 errors, Type 2 errors, Type 3 errors, and Type 4 errors, as structured by Ian Mitroff.… Read more (in a new tab)

Citation rankings for some systems thinkers

I’ve been checking on the breadth of some personal research on systems thinkers.  (The list is incomplete, and may orient more towards systems scientists).  Searching on Scopus gives an h-Index that counts scholarly references (with a boost, for the first person on the list who received a Nobel prize in chemistry).

The list below is sorted first on h-index, and then the number of citations.

For me, there were a few surprises.  Others may be less surprised.

Author Documents Citations h-index
Prigogine, Ilya R. 237 9,629 50
Holling, Crawford S. 66 27,402 38
Midgley, Gerald 83 2,948 33
Checkland, Peter B. 47 3,425 27
Jackson, Michael C. 76 2,716 26
Odum, Howard T. 55 4,579 24
Ackoff, Russell L. 68 2,411 23
Wiener, Norbert 72 3,758 22
Rosen, Robert 93 1,624 21
Senge, Peter M. 34 2,186 18
Lewin, Kurt 39 9,566 17
Boulding, Kenneth E. 79 2,074 16
Trist, Eric L. 21 4,537 15
Georgescu-Roegen, Nicholas 27 1,013 15
von Bertalanffy, Ludwig 35 3,285 14
Bateson, Gregory 22 962 12
Miller, James Grier 20 562 11
Meadows, Donella H. 14 684 8
Beer, Stafford 29 250 8
Emery, Frederick E. 20 2,011 7
Ashby, W. Ross 15 671 6
Churchman, C. West 23 104 5

The h-index is supposed to be better in comparing researchers in the same field.  Citations may or may not be better in the systems sciences, where we have a chemist alongside some economists.… Read more (in a new tab)

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