The ''

I Ching The ''I Ching'' or ''Yi Jing'' (, ), usually translated ''Book of Changes'' or ''Classic of Changes'', is an ancient Chinese divination text that is among the oldest of the Chinese classics. Originally a divination manual in the Western Zho ...

'' book consists of 64 hexagrams. A hexagram in this context is a figure composed of six stacked horizontal lines ( 爻 yáo), where each line is either

Yang Yang may refer to: * Yang, in yin and yang, one half of the two symbolic polarities in Chinese philosophy * Korean yang, former unit of currency of Korea from 1892 to 1902 * YANG, a data modeling language for the NETCONF network configuration ...

(an unbroken, or solid line), or

Yin Yin may refer to: *the dark force in the yin and yang from traditional Chinese philosophy and medicine *Yīn (surname) (), a Chinese surname *Yǐn (surname) (), a Chinese surname *Shang dynasty, also known as the Yin dynasty **Yinxu or Yin, the S ...

(broken, an open line with a gap in the center). The hexagram lines are traditionally counted from the bottom up, so the lowest line is considered line one while the top line is line six. Hexagrams are formed by combining the original

eight trigrams The bagua or pakua (八卦) are a set of eight symbols that originated in China, used in Taoist cosmology to represent the fundamental principles of reality, seen as a range of eight interrelated concepts. Each consists of three lines, each li ...

in different combinations. Each hexagram is accompanied with a description, often cryptic, akin to parables. Each line in every hexagram is also given a similar description. The Chinese word for a hexagram is 卦 "guà", although that also means trigram.

Types

Classic and modern ''I Ching'' commentaries mention a number of different hexagram types: *

Eight Trigrams The bagua or pakua (八卦) are a set of eight symbols that originated in China, used in Taoist cosmology to represent the fundamental principles of reality, seen as a range of eight interrelated concepts. Each consists of three lines, each li ...

* Original Hexagram * Future Hexagram * Contrasting (Reverse) Hexagram (is found by turning a hexagram upside down) * Complementary Hexagram (is found by changing all the lines into their opposite) * Hexagram of Sequence * Nuclear (Mutual) Hexagram (hu gua) (is found by taking the inner lines of a hexagram; given that the original hexagram's lines are labeled 1 through 6 from bottom up, the nuclear hexagram contains the lines 2, 3, 4, 3, 4, 5) * Hexagram of Change (bian gua) * Internal Hexagram (nei gua) * External Hexagram (wai gua)

Sequences

The most commonly known sequence is the King Wen sequence. A totally different sequence was found in the

Mawangdui Silk Texts The Mawangdui Silk Texts () are Chinese philosophical and medical works written on silk which were discovered at the Mawangdui site in Changsha, Hunan, in 1973. They include some of the earliest attested manuscripts of existing texts (such as the ' ...

. The hexagrams are also found in the

Binary sequence A bitstream (or bit stream), also known as binary sequence, is a sequence of bits. A bytestream is a sequence of bytes. Typically, each byte is an 8-bit quantity, and so the term octet stream is sometimes used interchangeably. An octet may ...

, also known as

Fu Xi Fuxi or Fu Hsi (伏羲 ~ 伏犧 ~ 伏戲) is a culture hero in Chinese legend and mythology, credited along with his sister and wife Nüwa with creating humanity and the invention of music, hunting, fishing, domestication, and cooking as well a ...

sequence or

Shao Yong Shao Yong (; 1011–1077), courtesy name Yaofu (堯夫), named Shào Kāngjié (邵康節) was a Chinese cosmologist, historian, philosopher, and poet who greatly influenced the development of Neo-Confucianism across China during the Song dynast ...

sequence.

Lookup table

References

{{Reflist I Ching Symbolism

Types

Sequences

Lookup table

See also

References