Alphabet of human thought
Encyclopedia
The alphabet of human thought is a concept originally proposed by Gottfried Leibniz
Gottfried Leibniz
Gottfried Wilhelm Leibniz was a German philosopher and mathematician. He wrote in different languages, primarily in Latin , French and German ....

 that provides a universal way to represent and analyze ideas and relationships, no matter how complicated, by breaking down their component pieces. All ideas are compounded from a very small number of simple ideas which can be represented by a unique "real" character.

René Descartes
René Descartes
René Descartes ; was a French philosopher and writer who spent most of his adult life in the Dutch Republic. He has been dubbed the 'Father of Modern Philosophy', and much subsequent Western philosophy is a response to his writings, which are studied closely to this day...

 suggested that the lexicon
Lexicon
In linguistics, the lexicon of a language is its vocabulary, including its words and expressions. A lexicon is also a synonym of the word thesaurus. More formally, it is a language's inventory of lexemes. Coined in English 1603, the word "lexicon" derives from the Greek "λεξικόν" , neut...

 of a universal language
Universal language
Universal language may refer to a hypothetical or historical language spoken and understood by all or most of the world's population. In some circles, it is a language said to be understood by all living things, beings, and objects alike. It may be the ideal of an international auxiliary language...

 should consist of primitive elements. The systematic combination of these elements, according to syntactical rules, would generate "an infinity of different words." In the early 18th century, Leibniz outlined his characteristica universalis
Characteristica universalis
The Latin term characteristica universalis, commonly interpreted as universal characteristic, or universal character in English, is a universal and formal language imagined by the German philosopher Gottfried Leibniz able to express mathematical, scientific, and metaphysical concepts...

, an artificial language in which grammatical
Grammar
In linguistics, grammar is the set of structural rules that govern the composition of clauses, phrases, and words in any given natural language. The term refers also to the study of such rules, and this field includes morphology, syntax, and phonology, often complemented by phonetics, semantics,...

 and logic
Logic
In philosophy, Logic is the formal systematic study of the principles of valid inference and correct reasoning. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, semantics, and computer science...

al structure would coincide, which would allow much reasoning to be reduced to calculation. Leibniz acknowledged the work of Ramon Llull
Ramon Llull
Ramon Llull was a Majorcan writer and philosopher, logician and tertiary Franciscan. He wrote the first major work of Catalan literature. Recently-surfaced manuscripts show him to have anticipated by several centuries prominent work on elections theory...

, particularly the Ars generalis ultima (1305), as one of the inspirations for this idea. The basic elements of his characteristica would be pictographic characters representing unambiguously a limited number of elementary concepts. Leibniz called the inventory of these concepts "the alphabet of human thought." There are quite a few mentions of the characteristica in Leibniz's writings, but he never set out any details save for a brief outline of some possible sentences in his Dissertation on the Art of Combinations.

See also

  • Algebraic logic
    Algebraic logic
    In mathematical logic, algebraic logic is the study of logic presented in an algebraic style.What is now usually called classical algebraic logic focuses on the identification and algebraic description of models appropriate for the study of various logics and connected problems...

  • Natural semantic metalanguage
    Natural semantic metalanguage
    The Natural semantic metalanguage is a linguistic theory and a practical, meaning-based approach to linguistic analysis. The theory is based on the conception of Polish professor Andrzej Bogusławski...

  • Philosophical language
    Philosophical language
    A philosophical language is any constructed language that is constructed from first principles, like a logical language, but may entail a strong claim of absolute perfection or transcendent or even mystical truth rather than satisfaction of pragmatic goals...

  • Real Character
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