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The optional-skills copy was still the v1.0.0 constraint-dispatch skill (SKILL.md + full-prompt-library.md only). This brings it up to the current tool: a situation-routed library of 22 named ideation methods drawn from working artists, scientists, designers, and writers. SKILL.md becomes a 4-step router (extract PHASE/DOMAIN/SPECIFICITY signals → apply overrides → route phase-then-domain → resolve ambiguity), with anti-slop operating rules and an anti-default check. Adds: - 22 method files under references/methods/ — oblique-strategies (Eno/Schmidt), oulipo, scamper, lateral-provocations (de Bono), triz (Altshuller), leverage-points (Meadows), pattern-languages (Alexander), compression-progress (Schmidhuber), analogy-and-blending, pataphysics, first-principles, polya, biomimicry, volume-generation, creative-discipline, premortem-and-inversion, defamiliarization, derive-and-mapping, affinity-diagrams, jobs-to-be-done, story-skeletons, chance-and-remix. Each: when/when-not, the actual cards/principles/operators, a procedure, a worked example, anti-slop notes. - references/method-catalog.md (index + when-to-use), heuristics.md (extended decision tree), anti-slop.md (rules applied to every output), exercises.md (time-boxed exercises). - full-prompt-library.md restructured into domain-affinity sections (general / software / physical / social / lists) so the no-direction default isn't developer-biased. Frontmatter: name aligned to directory slug (creative-ideation, folding in the fix from #18084); version 2.0.0→2.1.0; platforms field preserved. Original wttdotm-derived constraint dispatch is kept as the default path. Supersedes #19295 (which targeted the pre-move skills/ path). Co-authored-by: SHL0MS <SHL0MS@users.noreply.github.com>
95 lines
5.9 KiB
Markdown
95 lines
5.9 KiB
Markdown
# TRIZ — Theory of Inventive Problem Solving
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Genrich Altshuller, 1946–. Soviet engineering invention method derived from analysis of hundreds of thousands of patents. 40 inventive principles + contradiction matrix + Ideal Final Result. Used by Samsung, Intel, Boeing, P&G.
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## Core principle
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Most inventive problems are technical contradictions: improving X degrades Y. The trade-off is usually an artifact of how the system is decomposed, not a fundamental constraint. Solve by identifying the contradiction explicitly, then applying principles that have historically resolved similar contradictions in patent literature.
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The **Ideal Final Result**: the desired function performed without the system that performs it (the system has, in some sense, eliminated itself). Use as target.
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## When to use
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- Engineering / mechanism / device invention
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- Measurable parameter conflict (mass/strength, cost/reliability, speed/accuracy)
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- You suspect the trade-off is fake
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- Group brainstorming with non-arbitrary structure
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## Don't use when
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- Artistic, social, or expressive problems (TRIZ requires measurable parameters)
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- Your "contradiction" is preference, not parameter ("modern but classic" is not TRIZ)
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- A textbook fix exists; TRIZ is for inventive problems
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## The 40 inventive principles
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1. **Segmentation** — divide into independent parts, increase divisibility
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2. **Taking out** — extract the disturbing part; separate only what's needed
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3. **Local quality** — make different parts have different properties
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4. **Asymmetry** — replace symmetrical with asymmetrical
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5. **Merging** — bring identical/similar objects closer; parallelize operations
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6. **Universality** — one part performs multiple functions
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7. **Nested doll** — place objects one inside another (matryoshka)
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8. **Anti-weight** — compensate weight by combining with lift / hydro/aerodynamic forces
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9. **Preliminary anti-action** — preload with opposite stress
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10. **Preliminary action** — perform required action in advance
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11. **Beforehand cushioning** — emergency means in advance
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12. **Equipotentiality** — change conditions so object need not be raised/lowered
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13. **The other way round** — invert action; movable parts fixed and vice versa
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14. **Spheroidality / curvature** — replace linear with curved; flat with spherical
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15. **Dynamics** — make rigid moveable; let parts shift configuration
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16. **Partial or excessive actions** — slightly less or slightly more if 100% is hard
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17. **Another dimension** — move 1D→2D→3D; tilt; use the other side
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18. **Mechanical vibration** — oscillate, ultrasonics
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19. **Periodic action** — periodic instead of continuous; vary frequency; pauses
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20. **Continuity of useful action** — eliminate idle running
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21. **Skipping** — perform fast through dangerous stages
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22. **Blessing in disguise** — use harmful factors to obtain a positive effect
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23. **Feedback** — introduce or modify feedback
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24. **Intermediary** — use an intermediary article or process
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25. **Self-service** — make the object service itself; use waste resources
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26. **Copying** — cheap copies instead of fragile/expensive originals
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27. **Cheap short-living** — disposable instead of durable
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28. **Mechanics substitution** — replace mechanical with sensory (optical, acoustic, EM)
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29. **Pneumatics and hydraulics** — replace solid with gas/liquid; inflatable
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30. **Flexible shells and thin films** — instead of 3D structures
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31. **Porous materials** — make porous; use pores to introduce useful substance
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32. **Color changes** — change color or transparency
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33. **Homogeneity** — interacting objects from same material
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34. **Discarding and recovering** — portions disappear after use; restore consumables
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35. **Parameter changes** — physical state, concentration, density, flexibility, temperature
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36. **Phase transitions** — exploit phenomena at phase changes
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37. **Thermal expansion** — different coefficients of thermal expansion
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38. **Strong oxidants** — oxygen-enriched, ozonized
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39. **Inert atmosphere** — inert environment or vacuum
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40. **Composite materials** — uniform → composite
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## Procedure
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1. **State the contradiction** in the form: "I want X to improve, but X improvement causes Y to degrade." If you can't state it crisply, you don't yet have a TRIZ problem.
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2. **Compare to Ideal Final Result.** What would it look like if the system eliminated itself?
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3. **Look up candidate principles.** The contradiction matrix at triz40.com maps (X parameter, Y parameter) → recommended principles. Or scan the 40 above for fits.
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4. **Translate principle to mechanism.** A principle is general; the mechanism is specific to your situation.
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5. **Compare candidates against IFR.** Pick closest.
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## Worked example
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**Problem**: fast brew time (under 60s) vs full extraction (typically 4 min).
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**Contradiction**: speed vs completeness of extraction.
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**Candidate principles**: 1 (Segmentation), 17 (Another dimension), 19 (Periodic action), 35 (Parameter changes).
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**Translations**:
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- Segmentation: pre-extract concentrates; dilute on demand. (Nespresso.)
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- Another dimension: extract under pressure (espresso).
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- Periodic action: pulse-extract with pauses (some pour-over).
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- Parameter changes: brew at different temperature/pressure (cold brew = low T long time; espresso = high P short time).
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**IFR comparison**: closest to "no brewing time" is pre-extracted concentrate (Segmentation). Resolves the contradiction by *separating extraction from delivery in time*.
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## Anti-slop notes
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- Don't present the 40 principles as a generative checklist — that's SCAMPER. TRIZ's value is the contradiction lens + patent-derived priors.
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- Translate principle to mechanism, don't stop at the principle name.
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- Don't claim TRIZ where it doesn't apply (artistic, social, preference contradictions).
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- Don't invent principles in Altshuller's style.
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Tools: triz40.com (interactive matrix). Source: Altshuller, *And Suddenly the Inventor Appeared* (1994).
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