Engineered languages

minimalist language created by Sonja Lang

Lojban (pronounced ) is a logical, constructed human language created by the Logical Language Group, which aims to be syntactically unambiguous. It succeeds the Loglan project.

Ithkuil is an experimental constructed language created by John Quijada. It is designed to express more profound levels of human cognition briefly yet overtly and clearly, particularly about human categorization. It is a cross between an a priori philosophical and a logical language. It tries to minimize the vagueness and semantic ambiguity in natural human languages. Ithkuil is notable for its grammatical complexity and extensive phoneme inventory, the latter being simplified in an upcoming redesign. The name "Ithkuil" is an anglicized form of Iţkuîl, which in the original form roughly meant

Loglan is a logical constructed language originally designed for linguistic research, particularly for investigating the Sapir–Whorf hypothesis. The language was developed beginning in 1955 by Dr. James Cooke Brown with the goal of making a language so different from natural languages that people learning it would think in a different way if the hypothesis were true. In 1960, Scientific American published an article introducing the language. Loglan is the first among, and the main inspiration for, the languages known as logical languages, which also includes Lojban.

Láadan () is a gynocentric constructed language created by Suzette Haden Elgin in 1982 to test the Sapir–Whorf hypothesis, specifically to determine if development of a language aimed at expressing the views of women would shape a culture; a subsidiary hypothesis was that Western natural languages may be better suited for expressing the views of men than women. The language was included in her science fiction Native Tongue series.

Blissymbols or Blissymbolics is a constructed language conceived as an ideographic writing system called Semantography consisting of several hundred basic symbols, each representing a concept, which can be composed together to generate new symbols that represent new concepts.

a priori constructed language

constructed language

update fundamentals of the language system

method of showing social, technological, biological, and historical connections in pictorial form; standardized and abstracted pictorial symbols to represent social-scientific data with serial repetition

constructed language

universal and formal language imagined by the German polymathic genius, mathematician, scientist and philosopher Gottfried Leibniz able to express mathematical, scientific, and metaphysical concepts

constructed language that is constructed from first principles

constructed languages devised to test or prove how languages work

book by John Wilkins