32 Key Concepts in Systems Thinking and Complexity Theory

Summary

The unFIX 32-concept synthesis is a public comparator: it offers a broad route into familiar systems and complexity terms while making its AI-assisted production method explicit.

Implications for practice

It is useful for testing atlas coverage and search language. It is not evidence that the selected concepts, definitions or prevalence scores form a settled canon.

Key distinctions

• Inclusion in the list is documentary evidence about the unFIX synthesis, not independent evidence of intellectual importance.
• The systems-thinking/complexity scores are editorial and AI-assisted estimates, not measurements of a defined literature corpus.

Historical development

• management and organisation design
• AI-assisted synthesis
• systems and complexity popularisation

Ideas it depends on

• systems thinking
• complexity theory
• public discourse synthesis

Further developments

• coverage audit
• search aliases
• comparison with a typed evidence graph

Connections to practice

• orientation for readers
• comparison of concept coverage

Common confusions

• A colourful map is not automatically a genealogy, taxonomy or source-backed relation graph.

Further checks

• Retain disagreement about labels and placement; do not copy the list's boundary as the atlas boundary.

Recorded connections

Check the wording, direction, scope, sources, and status of a connection before relying on it.

• Jurgen Appelo authored 32 Key Concepts in Systems Thinking and Complexity Theory

  Status: accepted · Relation: authored

  Authorship of the public unFIX synthesis.

  Locator: Page byline

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Adaptation

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Adaptation

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Agent-based modelling

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Agent-based modelling

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Attractor

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Attractor

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Boundary

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Boundary

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Causal loop diagrams

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Causal loop diagrams

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Chaos theory

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Chaos theory

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Dynamic complexity

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Dynamic complexity

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Edge of chaos

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Edge of chaos

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Emergence

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Emergence

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Feedback

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Feedback

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Fitness landscape

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Fitness landscape

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Fractals

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Fractal

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Hierarchy

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Hierarchy

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Holism

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Holism

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Interconnectedness

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Interconnectedness

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Leverage points

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Leverage points

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Mental models

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Mental models

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Network theory

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Network theory

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Non-linearity

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Nonlinearity

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Phase transition

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Phase transition

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Power law

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Power law

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Resilience

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Resilience

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Scaling laws

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Scaling laws

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Self-organisation

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Self-organisation

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Self-Organised Criticality

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Self-organised criticality

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis System

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: System

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis System archetypes

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: System archetypes

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Systemic Intervention

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Systemic intervention

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Systems mapping

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Systems mapping

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

• 32 Key Concepts in Systems Thinking and Complexity Theory includes in its synthesis Unintended consequences

  Status: accepted · Relation: includes in synthesis

  This line records inclusion in Jurgen Appelo's named 32-concept synthesis. It does not endorse the definition, score or placement as a field consensus.

  Locator: Heading: Unintended consequences

  • 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

Sources and passage locators

• 32 Key Concepts in Systems Thinking and Complexity Theory (checked)

Cite this entry

Taylor, B. P. (2026). 32 Key Concepts in Systems Thinking and Complexity Theory. The Necessary Tangle, release 0.35. https://transduction.systems/entries/publication_unfix_32_key_concepts/

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