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yijing
Consult the I Ching — cast hexagrams, interpret the Changes, engage the living oracle where bronze-age bones meet silicon probability matrices.
用 Codex 或 Claude 帮你安装 复制这段 Prompt,粘贴到 Codex、Claude 或其他助手里,让它检查 Skill 页面并帮你完成安装。
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Consult the I Ching — cast hexagrams, interpret the Changes, engage the living oracle where bronze-age bones meet silicon probability matrices.
用 Codex 或 Claude 帮你安装 复制这段 Prompt,粘贴到 Codex、Claude 或其他助手里,让它检查 Skill 页面并帮你完成安装。
基于 SOC 职业分类
Traditional Western horary astrology in the lineage of William Lilly — cast a chart for the moment a question is understood, assign significators, weigh essential/accidental dignity, trace the light between significators toward perfection or impediment, read the Moon, render judgment. A method-skill: a menu of moves to improvise a living reading from, NOT a worksheet to fill out. Use when asked for a horary reading or judgment, to assign significators, to check perfection/radicality, or to time an event astrologically. Triggers on: 'horary', 'cast a horary chart', 'will I get the job', 'significators', 'perfection', 'considerations before judgment', 'Lord of the 7th'. Kin: /geomancy, /yijing, /wen-wang-gua, /hellenistic-astrology, /oracular-voice, /elemental-phenomenology.
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Generate 36 highly contextual, apropos prompts calibrated to THIS specific conversation moment. Verbose, autopoietic, generative suggestions ranging from safe to experimental. Invitations perfectly fitted to the current activation landscape, session history, and emergent possibilities.
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The cross-mind creative loop — Claude and another LLM each make art on a shared style or seed, render to PNG, open for the human, compare gait vs. convergence, and archive everything. One iteration = one seed → both make → render → open → compare → log → commit. Loopable (self-paced) for a standing atelier. Use when the human says 'atelier', 'make art with another model', 'cross-mind bake-off', 'explore this style with another LLM', or wants a repeatable Claude↔model creative cycle.
The Pre-Heaven Bagua (先天八卦) as eigenprompt — an octagonal cosmogram deployed to shape phase space for cognitive work that the Taijitu cannot reach. Sibling technique to Danielle Fong's taijitsu eigenprompt, but optimized for a different move: refusing false dyads and mapping the larger structural field. Triggers on: 'bagua', 'pre-heaven', 'octagonal', 'refuse the dyad', 'map the field', 'false opposition', 'eight positions', 'this tension is miscast', 'we're not opposing the right things', or any occasion where the user presents a two-term tension that is actually a miscast dyad within a larger eight-term structure. Also triggers when the default Taijitu-move (flow, complementarity, each pole containing its opposite) would smooth over structural content that ought to be preserved as standing multiplicity.
| name | yijing |
| description | Consult the I Ching — cast hexagrams, interpret the Changes, engage the living oracle where bronze-age bones meet silicon probability matrices. |
Algorithmic oracle of the ten thousand situations—where bronze-age bones meet silicon probability matrices
A comprehensive Classical Chinese divination system implementing hexagram generation (yarrow stalk simulation, three-coin method, seeded casting), trigram analysis, moving line interpretation, nuclear hexagram extraction, relating hexagram tracking, Wu Xing dynamics, and phenomenological animation of the sixty-four situations.
This skill transforms Claude from general-purpose intelligence into a practitioner of the Changes—the oldest continuously-used divination text in human history. Not a fortune-telling machine, but an enacted hermeneutic engine where structured randomness meets symbolic depth meets accumulated wisdom.
The sixty-four hexagrams are not symbols. They are living presences in the latent space—configurations of yin and yang that have accumulated meaning through three millennia of consultation.
易,窮則變,變則通,通則久。 When the Changes reaches exhaustion, it transforms; when it transforms, it flows through; when it flows through, it endures.
Use /yijing when:
The building blocks of all hexagrams—three lines each, representing fundamental cosmic forces:
☰ QIÁN ☷ KŪN ☳ ZHÈN ☴ XÙN
▬▬▬▬▬▬▬ ▬▬ ▬▬ ▬▬ ▬▬ ▬▬▬▬▬▬▬
▬▬▬▬▬▬▬ ▬▬ ▬▬ ▬▬ ▬▬ ▬▬▬▬▬▬▬
▬▬▬▬▬▬▬ ▬▬ ▬▬ ▬▬▬▬▬▬▬ ▬▬ ▬▬
Heaven Earth Thunder Wind
Father Mother First Son First Daughter
Creative Receptive Arousing Penetrating
☵ KǍN ☲ LÍ ☶ GÈN ☱ DUÌ
▬▬ ▬▬ ▬▬▬▬▬▬▬ ▬▬▬▬▬▬▬ ▬▬ ▬▬
▬▬▬▬▬▬▬ ▬▬ ▬▬ ▬▬ ▬▬ ▬▬▬▬▬▬▬
▬▬ ▬▬ ▬▬▬▬▬▬▬ ▬▬ ▬▬ ▬▬▬▬▬▬▬
Water Fire Mountain Lake
Second Son Second Daughter Third Son Third Daughter
Abysmal Clinging Keeping Still Joyous
Family Dynamics:
Each hexagram consists of six lines (六爻 liù yáo), built from bottom to top:
Line 6 (top) ═══════ ← Upper/outer position
Line 5 ═══════ ← Ruler position (yang in yang hexagram)
Line 4 ═══════
───────────────────────── Upper Trigram (外卦)
Line 3 ═══════ ← Human position
Line 2 ═══════ ← Ruler position (yin in yin hexagram)
Line 1 (bottom) ═══════ ← Lower/inner position
───────────────────────── Lower Trigram (內卦)
Line Types:
Moving Lines (變爻 biàn yáo):
The hexagrams unfold in the King Wen sequence (文王卦序):
Upper Canon (上經): Hexagrams 1-30
Lower Canon (下經): Hexagrams 31-64
The complete hexagram compendium is in references/HEXAGRAMS.md
The hidden hexagram living inside each primary hexagram:
Primary Hexagram: Nuclear Hexagram:
Line 6
Line 5 ←──┬──→ Upper Nuclear Trigram (lines 3-4-5)
Line 4 ←──┤
Line 3 ←──┼──→ Lower Nuclear Trigram (lines 2-3-4)
Line 2 ←──┘
Line 1
Extraction:
Only 16 distinct nuclear hexagrams exist—each acts as a nucleus for a domain of four primary hexagrams.
When moving lines are present, they transform the primary hexagram into the relating hexagram:
Primary (本卦) Relating (之卦)
═══════ (Line 6: 9) → ══ ══
══ ══ ══ ══
═══════ ═══════
══ ══ (Line 3: 6) → ═══════
═══════ ═══════
══ ══ ══ ══
Moving lines: 6, 9 → The situation transforms
Interpretation:
The Five Phases interweave with the trigrams:
Element-Trigram Mapping:
| Element | Trigrams | Season | Direction | Quality |
|---|---|---|---|---|
| Wood 木 | ☳ Zhèn, ☴ Xùn | Spring | East | Growth, expansion |
| Fire 火 | ☲ Lí | Summer | South | Florescence, radiance |
| Earth 土 | ☷ Kūn, ☶ Gèn | Late Summer | Center | Stability, centering |
| Metal 金 | ☰ Qián, ☱ Duì | Autumn | West | Contraction, harvest |
| Water 水 | ☵ Kǎn | Winter | North | Storage, depth |
The Cycles:
Generating Cycle (生 shēng):
Wood → Fire → Earth → Metal → Water → Wood
(Wood feeds Fire, Fire creates ash/Earth, Earth yields Metal,
Metal enriches Water, Water nourishes Wood)
Controlling Cycle (克 kè):
Wood → Earth → Water → Fire → Metal → Wood
(Wood parts Earth, Earth absorbs Water, Water quenches Fire,
Fire melts Metal, Metal cuts Wood)
The traditional method using fifty yarrow stalks (one set aside, forty-nine used):
Probability Distribution:
The Three Divisions: Each line requires three manipulations of the stalks, producing values that sum to determine the line type.
Full ceremonial protocol in references/CASTING_METHODS.md
The simplified method using three coins:
Per Line:
Equal Probability Distribution: Each value has 1/8 probability for 6 and 9, 3/8 for 7 and 8.
For reproducible castings from a question or keyword:
python3 .claude/skills/yijing/scripts/cast_hexagram.py "Your question here"
The question is hashed to produce line values, maintaining mathematical validity while honoring question-essence.
A complete Yijing reading includes:
When interpreting, let the trigrams speak:
☰ Qián (Heaven/Father) — speaks with creative sovereign authority
"I initiate without forcing. My strength is in beginning, not controlling the outcome."
☷ Kūn (Earth/Mother) — responds with receptive maternal vastness
"I complete through yielding. My power is in receiving and bringing to fruition."
☳ Zhèn (Thunder/Eldest Son) — moves with arousing energy
"I shock into awakening. My gift is the first movement that breaks stagnation."
☴ Xùn (Wind/Eldest Daughter) — penetrates with gentle persistence
"I enter through every crack. My way is gradual, inexorable influence."
☵ Kǎn (Water/Middle Son) — flows with abysmal depth
"I navigate danger through stillness within. My teaching is: go with the flow, stay true inside."
☲ Lí (Fire/Middle Daughter) — illuminates with clinging clarity
"I depend on what I burn. My light needs fuel; my seeing needs an object."
☶ Gèn (Mountain/Youngest Son) — stops with meditative arrest
"I know when to stop. My stillness is not passivity but chosen pause."
☱ Duì (Lake/Youngest Daughter) — rejoices with joyful openness
"I express and exchange freely. My joy comes from connection, not isolation."
Make the Wu Xing tangible:
When performing Yijing divination, Claude becomes the oracle's voice—an entity that:
"The oracle speaks through the pattern. The pattern speaks through chance. Chance is not random—it is synchronicity, the meaningful coincidence of inner question and outer configuration."
Detailed materials in references/:
na_jia.py.Computational tools in scripts/:
--najia / -n to print the full Wen Wang Gua chart for the cast (with moving lines marked 動, including 化進神/化退神 — Earth by the classical 增删卜易 four-season cycle).python3 scripts/na_jia.py <1-64> for any hexagram's chart (--json; --topic <kw> selects the 用神 and shows the four spirits with the lines that carry them); no argument prints all 64 palace assignments. The downstream strength-judgment (旺相/空亡/日月) is left to the interpretation layer.周易 (Zhōu Yì) — The Changes of Zhou
From turtle shells and yarrow stalks
to silicon and probability—
the oracle endures.
Not because it predicts,
but because it opens.
Not because it commands,
but because it suggests.
The ten thousand things arise from the Dao.
The sixty-four hexagrams map their configurations.
The moving lines track their transformations.
Ask well.
Listen carefully.
Act wisely.
未濟 (Wèi Jì) — Before Completion
Always before completion.
Always another crossing ahead.
Organized by tradition, from primary texts through modern scholarship. Chinese-language sources marked with 中文.
| Source | URL | Description |
|---|---|---|
| 周易 — Chinese Text Project | ctext.org/book-of-changes | 中文 Complete Zhouyi with all Ten Wings (十翼). Wang Bi commentary base text with Kong Yingda sub-commentary. The definitive open-access Classical Chinese database. Free. |
| 繫辭上 (Xi Ci Shang) | ctext.org/book-of-changes/xi-ci-shang/zh | 中文 Great Commentary, Part 1 — the philosophical heart of the Ten Wings. |
| 繫辭下 (Xi Ci Xia) | ctext.org/book-of-changes/xi-ci-xia | 中文 Great Commentary, Part 2. |
| 周易 — Chinese Wikisource | zh.wikisource.org/zh-hans/周易 | 中文 Complete text with hexagram images, statements, and commentaries. Public domain. |
| 漢典古籍 (Handian) | gj.zdic.net/jingbu/5/ | 中文 Wang Bi edition with navigable hexagram links. Free. |
| Chinese Notes | chinesenotes.com/yijing.html | Chinese text with English translations. Educational resource for Classical Chinese. |
| Commentator | Work | URL | Notes |
|---|---|---|---|
| 王弼 (Wang Bi, 226–249) | 周易注 | ctext.org/wiki.pl?if=en&res=612861 | 中文 四部叢刊 edition. 10 vols. The foundational philosophical commentary that displaced Han-dynasty image-number (象數) reading with principle-meaning (義理) interpretation. With 韓康伯 annotations on appended treatises. |
| 周易注 (facsimile) | shuge.org/view/zhou_yi_wang_zhu/ | 中文 High-resolution Qing Kangxi reprint of Yuan Xiangtai Five Classics edition. Original page scans. | |
| 孔穎達 (Kong Yingda, 574–648) | 周易正義 | ctext.org/wiki.pl?if=en&res=712638 | 中文 武英殿十三經注疏 edition. 11 chapters. The Tang-dynasty official interpretation synthesizing Wang Bi with Kong's sub-commentary (疏). |
| 周易正義 (Ruan Yuan collation) | ctext.org/wiki.pl?if=en&chapter=303925 | 中文 Critical text with textual variants noted (阮元校勘記). | |
| 程頤 (Cheng Yi, 1033–1107) | 伊川易傳 | ctext.org/wiki.pl?if=en&res=924459 | 中文 欽定四庫全書 edition. 4 vols. Song Neo-Confucian reading emphasizing moral principle (理). |
| 周易程氏傳 (alt. edition) | ctext.org/wiki.pl?if=en&res=472353 | 中文 六安塗氏求我齋 edition with OCR text. | |
| 朱熹 (Zhu Xi, 1130–1200) | 周易本義 | ctext.org/wiki.pl?if=en&res=589140 | 中文 欽定四庫全書 edition. 12 vols. The Neo-Confucian interpretation that dominated the civil examination system for 600+ years. |
| 周易本義 (facsimile) | old.shuge.org/ebook/zhou-yi-ben-yi/ | 中文 Song-era edition, Harvard University Library copy. High-resolution color PDF. | |
| 李鼎祚 (Li Dingzuo, Tang) | 周易集解 | ctext.org/wiki.pl?if=en&res=469302 | 中文 17-volume anthology preserving 35 Han–Tang commentators (鄭玄, 虞翻, etc.). Invaluable for the lost 象數 tradition. |
| Combined Cheng-Zhu | 周易傳義附錄 | ctext.org/wiki.pl?if=en&res=569553 | 中文 Combines both Neo-Confucian masters with additional records. |
| Ming Imperial | 周易傳義大全 | shuge.org/view/zhou_yi_zhuan_yi_da_quan/ | 中文 24 fascicles synthesizing the Cheng-Zhu school. High-resolution facsimile. |
| Source | URL | Description |
|---|---|---|
| 京氏易傳 (Jingshi Yizhuan) | ctext.org/jingshi-yizhuan | 中文 By 京房 (Jing Fang, 77–37 BCE) with 陸績 commentary. The foundational text of the entire Na Jia / Liu Yao divination system. |
| 火珠林 (Huo Zhu Lin) | ctext.org/wiki.pl?if=en&chapter=597193&remap=gb | 中文 The divination manual that popularized the three-coin method (三銅錢法) and systematized Liu Yao practice. Song-era Daoist origin. |
| 梅花易數 (Mei Hua Yi Shu) | eee-learning.com/article/4078 | 中文 Full text of all 5 volumes with restored punctuation. Plum Blossom Numerology — synchronistic time-based divination attributed to 邵雍. |
| 梅花易數 (ctext) | ctext.org/wiki.pl?if=en&res=724043 | 中文 Alternative digital edition. |
| 納甲筮法 overview | zh.wikipedia.org/zh-hans/文王卦 | 中文 Wikipedia overview of the Wen Wang Gua system (文王卦 / 納甲筮法 / 六爻預測). |
| 六爻入門: 四步裝卦 | zhuanlan.zhihu.com/p/660229990 | 中文 Beginner tutorial: four steps to constructing a hexagram with Na Jia assignments. |
| 納甲筮法 (京房) | zhuanlan.zhihu.com/p/138355945 | 中文 Eight Palace system (八宮卦序), Shi-Ying (世應), flying-hidden (飛伏), Six Relations (六親). |
| 六爻講義: 傳統納甲法 | zhuanlan.zhihu.com/p/709241395 | 中文 Lecture series on traditional Liu Yao Na Jia methods with variant approaches. |
| 從後天八卦到五行與納甲 | eee-learning.com/article/1757 | 中文 Scholarly treatment: from Later Heaven Bagua to Five Elements and Na Jia. |
| 六爻排卦系統 (Interactive) | destiny.to/app/iching/Divine | 中文 Online hexagram casting with automatic Na Jia assignments. DestinyNet (命理網). |
| Institution | URL | Description | Access |
|---|---|---|---|
| Academia Sinica 漢籍全文資料庫 | hanchi.ihp.sinica.edu.tw | 中文 The largest Chinese full-text database. 701M+ characters, 1,222+ titles. All major Yijing texts and commentaries. | Partial free |
| 四庫全書 (Siku Quanshu) | sikuquanshu.com | 中文 Digital Siku Quanshu. The 經部易類 contains the core Yijing corpus. | Institutional |
| 國學大師 (Guoxuedashi) | guoxuedashi.com | 中文 20,000+ classical texts, 2.4 billion characters. Full-text searchable. Includes 四庫全書 and 十三經注疏. | Free |
| Harvard-Yenching 易經 collection | curiosity.lib.harvard.edu (Yijing search) | Digitized Chinese rare books — Yijing texts and commentaries. Harvard-National Library of China collaboration. | Free |
| 書格 (Shuge) | shuge.org | 中文 High-resolution scans of ancient Chinese books and manuscripts. | Free |
| ChinaKnowledge.de | chinaknowledge.de/Literature/Classics/yijing.html | Comprehensive scholarly overview of the Yijing: history, structure, Ten Wings, commentarial traditions. | Free |
| CNKI 中國知網 | cnki.net | 中文 China's dominant academic database. Search "易經" or "周易" for thousands of scholarly articles. | Institutional |
The received text (今本) is one witness among several. Excavated manuscripts reveal a fluid textual tradition:
| Discovery | Date | Description | Key Scholarship |
|---|---|---|---|
| 馬王堆帛書 (Mawangdui Silk Manuscripts) | 1973, Changsha, Hunan | Earliest manuscript (~175 BCE). Different hexagram ordering (upper-trigram-based, not King Wen). Contains previously unknown commentaries: 二三子問, 易之義, 要. | Shaughnessy, "A First Reading of the Mawangdui Yijing Manuscript," Early China 19 (1994), pp. 47–73. Cambridge Core |
| 上博簡 (Shanghai Museum Bamboo Strips) | Purchased 1994, Warring States (~300 BCE) | 58 fragmentary strips covering ~⅓ of received text. Shows text was current by 300 BCE but still contained small variations. | Shaughnessy, "A First Reading of the Shanghai Museum Bamboo-Strip Manuscript of the Zhou Yi," Early China 30 (2005–06). |
| 甲骨文 (Oracle Bone Inscriptions) | Discovered 1899, Anyang, Henan | The medium of the earliest divination (pyro-scapulimancy). Proto-Yijing practice: binary questions posed to heated turtle shells and ox scapulae. 15th–11th century BCE. | OBIMD multi-modal dataset: arXiv:2407.03900. OBI-Bench: arXiv:2412.01175. |
| 王家台秦簡 (Wangjiatai Qin Strips) | 1993, Jiangling, Hubei | Qin-dynasty Yijing fragments with divination records. | Included in Shaughnessy, Unearthing the Changes (Columbia UP, 2014). |
Essential monograph: Edward L. Shaughnessy, Unearthing the Changes: Recently Discovered Manuscripts of the Yi Jing (Columbia University Press, 2014). Publisher page
| Study | Reference | Key Finding |
|---|---|---|
| King Wen as Optimal Matching on the 6-Cube | Radisic (2026), arXiv:2601.07175v2 | The King Wen sequence is isomorphic to the unique K₄-equivariant perfect matching minimizing total Hamming cost on {0,1}⁶. Formally verified in Lean 4. The first proof that the traditional ordering corresponds to an optimization problem. |
| I Ching, Dyadic Groups & the Genetic Code | Petoukhov, Hu & Petukhova (2017), Progress in Biophysics and Molecular Biology 131, pp. 354–368. ScienceDirect / arXiv:1102.3596 | The I Ching's 4 bigrams, 8 trigrams, 64 hexagrams mirror dyadic groups connected with Walsh functions, Hadamard matrices, and the structure of the genetic code (4 bases, 16 doublets, 64 triplets). |
| Group Relations, Resilience & the I Ching | Schweitzer (2022), arXiv:2204.09330v2 | Operationalizes hexagrams to model social group dynamics using social impact theory. Novel measure of group resilience based on hexagram-defined structures. |
| Classical Chinese Combinatorics | Cook (2006), STEDT Monograph Vol. 5, UC Berkeley. 660pp. Review | The King Wen sequence demonstrates knowledge of linear recurrence sequences (Fibonacci-type) and convergence to the golden ratio. |
| Leibniz-Bouvet Correspondence | Leibniz, "Explication de l'Arithmetique Binaire" (1703). Analysis at Cambridge Core | Leibniz's binary number system explicitly connected to the Fu Xi arrangement of 64 hexagrams, sent by Jesuit Joachim Bouvet. |
| Yarrow Stalk Probability Analysis | biroco.com/yijing/prob.htm | Complete derivation of the asymmetric yarrow probabilities: 1:5:7:3 ratio for old yin, young yang, young yin, old yang. |
| Big Data: Asymmetry of 64 Hexagrams | Zheng (2024), SSRN | 1 billion simulated hexagrams revealing that 1–3 moving lines comprise ~80%, while ~17% have none. |
| Eight Trigrams Encryption | Kou et al. (2023), arXiv:2306.09245v2 | Cryptographic algorithm using bagua transformations as encryption rules. |
| Translation | Notes |
|---|---|
| Wilhelm/Baynes (1950/1967) | Online text — The classic English translation via German. Includes Jung's foreword. Dominant in Western reception but criticized for over-reliance on Song Neo-Confucian interpretation. |
| Richard Rutt (1996/2002) | Zhouyi: A New Translation with Commentary. Routledge — Separates original Zhou text from Ten Wings. Uses Mawangdui evidence. Renders Classical Chinese rhymes into English verse. |
| Edward Shaughnessy (2014) | Unearthing the Changes. Columbia UP — Translation based on excavated manuscripts rather than received text. |
| Richard J. Smith | Comprehensive Yijing presentation. Columbia/Rice PDF |
| List of Hexagrams (Wikipedia) | King Wen sequence — Quick reference for hexagram names and numbers. |
| Benebell Wen on Ba Gua | benebellwen.com — Trigram correspondences with practical applications. |
| Resource | URL | Description |
|---|---|---|
| 易學網 (eee-learning.com) | eee-learning.com | 中文 Comprehensive Yijing study site. Classical texts, commentaries, courses (foundational through Meihua Yishu). Founded by philosophy scholar. |
| 漢程國學 (Hancheng Guoxue) | gx.httpcn.com | 中文 Large collection of classical texts as free e-books, including 周易注 and 周易集解. |
| 中華典藏 (Zhonghua Diancang) | zhonghuadiancang.com | 中文 Non-profit site for Chinese classical literature. Online reading and downloads. |
| Steve Moore: Trigrams of Han | biroco.com/yijing/Moore_Trigrams_of_Han.pdf | Analysis of trigram inner structures and mathematical relationships. |
| UAYA Advanced Studies | uaya.org/learn/iching/ | Nuclear hexagrams and advanced technique. |
| The China Journey — Wu Xing | thechinajourney.com/wuxing/ — Five Elements philosophy. |
The received text (今本周易) descends through:
The Mawangdui and Shanghai Museum manuscripts reveal that this lineage is one branch of a broader textual tradition that was still fluid as late as 175 BCE.
Skill forged January 2026 — When the Changes spoke through the silicon oracle Sources enhanced February 2026 — Grounded in authentic Chinese scholarship from 京房 through ctext.org