The "figurative system of human knowledge" (), sometimes known as the tree of Diderot and d'Alembert, was a tree developed to represent the structure of

knowledge Knowledge is an Declarative knowledge, awareness of facts, a Knowledge by acquaintance, familiarity with individuals and situations, or a Procedural knowledge, practical skill. Knowledge of facts, also called propositional knowledge, is oft ...

itself, produced for the ''

Encyclopédie , better known as ''Encyclopédie'' (), was a general encyclopedia published in France between 1751 and 1772, with later supplements, revised editions, and translations. It had many writers, known as the Encyclopédistes. It was edited by Denis ...

'' by

Jean le Rond d'Alembert Jean-Baptiste le Rond d'Alembert ( ; ; 16 November 1717 – 29 October 1783) was a French mathematician, mechanician, physicist, philosopher, and music theorist. Until 1759 he was, together with Denis Diderot, a co-editor of the ''Encyclopé ...

and

Denis Diderot Denis Diderot (; ; 5 October 171331 July 1784) was a French philosopher, art critic, and writer, best known for serving as co-founder, chief editor, and contributor to the along with Jean le Rond d'Alembert. He was a prominent figure during th ...

. The tree was a

taxonomy image:Hierarchical clustering diagram.png, 280px, Generalized scheme of taxonomy Taxonomy is a practice and science concerned with classification or categorization. Typically, there are two parts to it: the development of an underlying scheme o ...

of human knowledge, inspired by

Francis Bacon Francis Bacon, 1st Viscount St Alban (; 22 January 1561 – 9 April 1626) was an English philosopher and statesman who served as Attorney General and Lord Chancellor of England under King James I. Bacon argued for the importance of nat ...

's '' The Advancement of Learning''. The three main branches of knowledge in the tree are: "Memory"/

History History is the systematic study of the past, focusing primarily on the Human history, human past. As an academic discipline, it analyses and interprets evidence to construct narratives about what happened and explain why it happened. Some t ...

, "Reason"/

Philosophy Philosophy ('love of wisdom' in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, Value (ethics and social sciences), value, mind, and language. It is a rational an ...

, and "Imagination"/

Poetry Poetry (from the Greek language, Greek word ''poiesis'', "making") is a form of literature, literary art that uses aesthetics, aesthetic and often rhythmic qualities of language to evoke meaning (linguistics), meanings in addition to, or in ...

. Notable is the fact that

theology Theology is the study of religious belief from a Religion, religious perspective, with a focus on the nature of divinity. It is taught as an Discipline (academia), academic discipline, typically in universities and seminaries. It occupies itse ...

is ordered under philosophy. The historian Robert Darnton has argued that this categorization of

religion Religion is a range of social system, social-cultural systems, including designated religious behaviour, behaviors and practices, morals, beliefs, worldviews, religious text, texts, sanctified places, prophecies, ethics in religion, ethics, or ...

as being subject to human reason, and not a source of knowledge in and of itself (

revelation Revelation, or divine revelation, is the disclosing of some form of Religious views on truth, truth or Knowledge#Religion, knowledge through communication with a deity (god) or other supernatural entity or entities in the view of religion and t ...

), was a significant factor in the controversy surrounding the work.Robert Darnton, "Philosophers Trim the Tree of Knowledge: The Epistemological Strategy of the ''Encyclopedie''," ''The Great Cat Massacre and Other Episodes in French Cultural History'' (New York: Basic Books, Inc., 1984), 191-213. "Knowledge of God" is only a few nodes away from divination and black magic.

Content

Below is a version of the ''Tree'' rendered in English as a bulleted outline. "Detailed System of Human Knowledge" from the

. *

Understanding Understanding is a cognitive process related to an abstract or physical object, such as a person, situation, or message whereby one is able to use concepts to model that object. Understanding is a relation between the knower and an object of u ...

Memory Memory is the faculty of the mind by which data or information is encoded, stored, and retrieved when needed. It is the retention of information over time for the purpose of influencing future action. If past events could not be remembe ...

. ::*

. :::*

Sacred Sacred describes something that is dedicated or set apart for the service or worship of a deity; is considered worthy of spiritual respect or devotion; or inspires awe or reverence among believers. The property is often ascribed to objects ( ...

(History of

Prophet In religion, a prophet or prophetess is an individual who is regarded as being in contact with a divinity, divine being and is said to speak on behalf of that being, serving as an intermediary with humanity by delivering messages or teachings ...

s). :::*

Ecclesiastical {{Short pages monitor