Artemidorus Daldianus

Artemidorus Daldianus, also known as Ephesius, was a professional diviner and dream interpreter active in the 2nd century AD. Hailing from Ephesus but named after his mother's hometown of Daldis, he compiled extensive knowledge on dream interpretation gathered during his travels across Greece, Italy, and Asia. His primary contribution is the five-volume Greek treatise, the Oneirocritica, which aimed to provide a systematic approach to understanding dreams. Artemidorus drew upon the writings of sixteen predecessors and a rich, though largely lost, tradition of oneiromancy. His methodology was rooted in analogical reasoning, positing that dream interpretation involves recognizing similarities between dream imagery and waking life events. However, he also acknowledged the complexity of interpretation, noting that factors such as the dreamer's age, sex, and social status, as well as subtle distinctions within the dream itself, could significantly alter its meaning. The Oneirocritica was structured in parts, with the initial volumes intended for a broader audience and later books specifically for his son, to equip him for the practice of dream interpretation.

Artemidorus' magnum opus, the Oneirocritica (The Interpretation of Dreams), stands as a foundational text in the study of oneiromancy. This extensive five-volume work was meticulously compiled from the author's own experiences, extensive travels, and the wisdom of sixteen earlier interpreters. Artemidorus structured his approach around the principle of analogy, asserting that dream interpretation is essentially an act of comparing dream elements to their real-world counterparts. He meticulously cataloged dream symbols and scenarios, recognizing that their meanings were not absolute but contingent upon various factors. This included the dreamer's personal circumstances—such as their gender, age, and social standing—as well as the specific nuances and actions within the dream itself. The work demonstrates a sophisticated understanding of the subjective nature of dreams and the need for detailed contextual analysis.

The method employed by Artemidorus in the Oneirocritica is characterized by its analogical foundation, emphasizing the juxtaposition of similarities between dream content and waking reality. However, he recognized that dream interpretation was far from a simple or straightforward process. Like other forms of ancient Greek divination, such as astrology and celestial divination, oneiromancy, as presented by Artemidorus, became exceptionally intricate. He detailed how subtle variations within a dream could lead to vastly different interpretations. For instance, he famously elaborated on the complex meanings associated with dreams of sexual intercourse with one's mother, explaining that the specific positions and manner of the act held significant divinatory weight, indicating diverse potential outcomes. This highlights his commitment to a nuanced and detailed analytical framework.

The Oneirocritica, though written in ancient Greek, has had a lasting impact, surviving through various translations and editions over centuries. The initial three books were intended as an accessible introduction for both aspiring diviners and the general public, while the subsequent volumes were more specialized, designed to give his son a competitive edge. While other works attributed to Artemidorus, such as the Oiônoscopica (Interpretation of Birds) and Chiroscopica (Palmistry), are not extant and their authorship is debated, his reputation rests firmly on his dream interpretation treatise. His work preserved fragments of earlier, otherwise lost, texts on divination, making him a crucial source for understanding the history of oneiromancy and related esoteric practices in the ancient world.

“dream interpretation is "nothing other than the juxtaposition of similarities"”

“The case of one's mother is both complex and manifold and admits of many different interpretations—a thing not all dream interpreters have realized. The fact is that the mere act of intercourse by itself is not enough to show what is portended. Rather, the manner of the embraces and the various positions of the bodies indicate different outcomes.”