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Slide 01
Constructed Languages
- From Esperanto to Dothraki: The Art and Science of Language Creation
- Humans have been inventing languages for over 900 years -- for international communication, philosophical inquiry, artistic expression, and fictional worldbuilding. These "conlangs" illuminate what language is, what it could be, and what we value in communication. From utopian dreams of a universal tongue to Tolkien's legendarium, constructed languages reveal the intersection of linguistics, creativity, and human aspiration.
- 900+ Documented Conlangs
- ~2 Million Esperanto Speakers
- 4 Million Duolingo Klingon Users
Slide 02
What Is a Constructed Language?
- A constructed language (conlang) is any language whose phonology, grammar, and vocabulary have been consciously devised by an individual or group, rather than having evolved naturally through use.
- A Priori Languages
- Created from scratch without basing vocabulary or grammar on existing languages. Examples: Klingon, Lojban, Ithkuil. These test the boundaries of what language can be.
- A Posteriori Languages
- Derived from or inspired by existing natural languages. Examples: Esperanto (European roots), Interlingua (Romance-based), Lingua Franca Nova.
- Mixed / Artistic Languages
- Combine invented and natural elements for aesthetic or narrative purposes. Examples: Tolkien's Elvish languages, Na'vi, Dothraki.
Slide 03
A Brief History of Language Invention
- 1150 CE
- Hildegard of Bingen creates Lingua Ignota, the earliest known constructed language -- a mystical vocabulary of ~1,000 words used in her religious compositions.
- 1668
- John Wilkins publishes "An Essay towards a Real Character and a Philosophical Language" -- attempting to classify all human knowledge into a logical notation system.
- 1879
- Johann Martin Schleyer creates Volapuk, the first constructed language to gain a mass following (over 200,000 speakers at its peak).
- 1887
- L.L. Zamenhof publishes Esperanto, which becomes the most successful constructed language in history by far.
- 1955
- J.R.R. Tolkien reveals the full depth of his Elvish languages (Quenya, Sindarin) -- created as a hobby starting in 1910, they become the most detailed artistic languages ever made.
Slide 04
Esperanto: The Dream That Persists
- "My whole grammar can be learned perfectly in one hour. How much language-learning time is wasted on irregularities, idioms, and exceptions that serve no purpose!"
- -- L.L. Zamenhof, Unua Libro (1887)
- Ludwik Lejzer Zamenhof, a Polish-Jewish ophthalmologist from Bialystok (where Russians, Poles, Germans, and Jews co-existed in mutual suspicion), created Esperanto to foster international understanding.
- Design Principles
- Regular grammar with no exceptions
- Agglutinative morphology (build complex words from simple parts)
- Vocabulary drawn from Romance, Germanic, and Slavic roots
- 16 grammatical rules, no irregularities
- Current Status
- Estimated 100,000-2,000,000 speakers worldwide
- ~1,000 native speakers (raised bilingual)
- Active literature, music, and annual World Congress
- Official support from UNESCO
Slide 05
How Esperanto Works
- Esperanto Grammar in a Nutshell
- La inteligenta knabino rapide lernas Esperanton.
- "The intelligent girl quickly learns Esperanto."
- Key Features
- -o = noun (knab-o = boy)
- -a = adjective (rapid-a = quick)
- -e = adverb (rapid-e = quickly)
- -as = present tense (lern-as = learns)
- -is = past tense (lern-is = learned)
- -os = future tense (lern-os = will learn)
- -n = accusative (direct object)
- Word Building
- lern-ej-o = school (learning-place)
- mal-grand-a = small (opposite-big)
- ge-patr-o-j = parents (both-sex-parent-plural)
- dis-kon-ig-i = to introduce (make mutually known)
- mal-san-ul-ej-o = hospital (un-health-person-place)
- Studies show Esperanto can be learned 5-10x faster than natural languages. The "propaedeutic effect": learning Esperanto first accelerates subsequent foreign language learning.
Slide 06
Esperanto's Critics and Limitations
- Despite its elegance, Esperanto has faced persistent criticism:
- Eurocentric Vocabulary
- Nearly all roots come from European languages. For Chinese, Japanese, or Swahili speakers, Esperanto offers little advantage over learning English or French directly.
- Gendered Foundations
- The default is masculine (-ino suffix for feminine). "Patro" = father, "patrino" = mother. Reform movements have proposed fixes but changing a living language is difficult.
- Political Persecution
- Stalin had Esperantists executed as cosmopolitan spies. Hitler condemned it as a tool of Jewish world domination. Both dictators feared a language beyond state control.
- The Network Problem
- A language's value depends on who else speaks it. English won the "international language" competition through economic and military power, not linguistic merit.
Slide 07
Tolkien's Languages: Art for Art's Sake
- "The invention of languages is the foundation. The 'stories' were made rather to provide a world for the languages than the reverse."
- -- J.R.R. Tolkien, Letter 131 (1951)
- J.R.R. Tolkien, professor of Anglo-Saxon at Oxford, created Middle-earth primarily as a home for his invented languages. His approach was unique: he created linguistic histories, showing how languages evolved over fictional millennia.
- Quenya (High Elvish)
- Inspired by Finnish and Latin. Archaic, ceremonial, with complex inflectional morphology. Used by the Noldor in exile.
- Ai! laurie lantar lassi surinen.
- "Ah! Like gold fall the leaves in the wind."
- Sindarin (Grey Elvish)
- Inspired by Welsh. Underwent consonant mutations, vowel shifts, and sound changes from Common Eldarin -- just like real language families evolve.
- A Elbereth Gilthoniel, silivren penna miriel.
- "O Elbereth Star-kindler, white-glittering slants down sparkling like jewels."
Slide 08
Tolkien's Linguistic Innovation
- What set Tolkien apart was not just creating languages, but creating language families with realistic historical development:
- Proto-Eldarin
- The common ancestor of all Elvish languages. Tolkien reconstructed it using the same comparative method linguists use for real proto-languages like Proto-Indo-European.
- Sound Changes
- Quenya and Sindarin diverged through systematic sound changes: PE *kw- > Quenya qu-, Sindarin p-. Just as Latin *kw- > Italian qu-, Welsh p-.
- Dialectal Variation
- Different Elvish peoples spoke dialects of the same language, with regular correspondences -- Vanyarin Quenya vs. Noldorin Quenya, Doriathrin vs. Gondolinic Sindarin.
- Tolkien created over 15 languages and language sketches for Middle-earth, ranging from fully developed (Quenya, Sindarin) to fragmentary (Khuzdul/Dwarvish, Black Speech, Adunaic).
Slide 09
Klingon: From Film Prop to Living Language
- In 1984, linguist Marc Okrand was hired to create dialogue for Klingon warriors in Star Trek III. What began as a film prop became one of the most studied constructed languages:
- Intentionally Alien Design
- OVS word order (Object-Verb-Subject) -- one of the rarest in natural languages
- No adjectives -- uses stative verbs instead ("The house is big" = "The house bigs")
- Extensive prefixal verb agreement system
- Phonology designed to sound harsh: many uvulars, retroflex affricates
- Cultural Phenomenon
- Klingon Language Institute founded 1992
- Hamlet translated into Klingon (2000)
- Google search interface in Klingon
- Duolingo course launched (4M+ learners)
- Used in real court proceedings (once, as protest)
- Klingon
- Heghlu'meH QaQ jajvam.
- "Today is a good day to die." (lit. "For one to die, today is good.")
Slide 10
Logical Languages: Lojban and Ithkuil
- Some conlangs aim not for beauty or international use, but for logical precision:
- Lojban (1987)
- Descended from James Cooke Brown's Loglan (1955). Every sentence has exactly one grammatical parse -- no ambiguity possible. Designed to test the Sapir-Whorf hypothesis: does an unambiguous language produce clearer thinking?
- mi prami do
- "I love you" (mi=I, prami=love, do=you)
- Ithkuil (2004)
- John Quijada's masterpiece aims to express any human thought with maximum precision and minimum ambiguity. A single Ithkuil word can encode information that takes an entire English paragraph. Extremely difficult to speak fluently -- perhaps impossible.
- Tram-mļoi hhâsmařpţuktox
- "On the contrary, I think there may be a pattern of repeated, somewhat forced, inexplicable laughter on their part"
Slide 11
Languages for Film and Television
- The modern era of conlanging exploded with Hollywood's demand for realistic fictional languages:
- 2009
- Na'vi (Avatar) -- Paul Frommer creates a language for James Cameron with ejective consonants, tripartite case alignment, and infixing morphology. The language continues to grow with sequels.
- 2011
- Dothraki (Game of Thrones) -- David J. Peterson wins the Language Creation Society contest to develop George R.R. Martin's scattered words into a full language with 4,000+ words.
- 2013
- High Valyrian (Game of Thrones) -- Peterson creates a second major language for the show, this one with a Latin-esque feel and complex morphology. 1.7M Duolingo learners.
- 2016
- Heptapod B (Arrival) -- Jessica Coon and others advise on the semasiographic alien writing system. The film explores Sapir-Whorf directly: learning the language changes perception of time.
Slide 12
David J. Peterson: The Professional Conlanger
- Peterson pioneered the profession of language creation for media, creating over 50 languages for TV and film:
- Major Projects
- Dothraki and Valyrian (Game of Thrones)
- Shiväisith (Thor: The Dark World)
- Castithan, Irathient (Defiance)
- Trigedasleng (The 100)
- Engala (Dune, 2021)
- Design Philosophy
- Every language needs naturalistic irregularity
- Sound symbolism should match the culture
- Grammar reveals cultural priorities
- Actors must be able to pronounce it convincingly
- Languages should be learnable by fans
- "A language that's too regular feels fake. Real languages are messy because real languages have history."
- -- David J. Peterson
Slide 13
Philosophical Languages: Mapping Reality
- The 17th century saw an explosion of attempts to create "perfect" languages that would map directly onto the structure of reality:
- John Wilkins (1668)
- His "Real Character" categorized all of creation into 40 genera, each subdivided into differences and species. Every concept got a systematic symbol built from its classification.
- Example: "Zi" = beast, "Zit" = rapacious beast, "Zita" = dog-kind.
- Gottfried Leibniz
- Dreamed of a "characteristica universalis" -- a symbolic language in which all truths could be calculated mechanically. If two people disagreed, they could say "Let us calculate!" His dream partially lives on in formal logic and programming languages.
- These projects failed because reality doesn't have a single "correct" taxonomy. But their spirit survives in classification systems (Linnaean taxonomy, Dewey Decimal) and in formal languages like predicate logic and SQL.
Slide 14
Toki Pona: Minimalism as Philosophy
- In 2001, Sonja Lang created Toki Pona -- a language with only ~120-137 root words, designed to simplify thought and focus on what matters:
- Toki Pona
- jan li pona tawa mi. mi moku e kili. tenpo pimeja la mi lape.
- "People are good to me. I eat fruit. In the dark-time, I sleep."
- Radical Simplicity
- ~120 words total (no open vocabulary class)
- "Car" = tomo tawa (moving room)
- "Friend" = jan pona (good person)
- "Computer" = ilo sona (knowledge tool)
- Numbers: wan(1), tu(2), luka(5), mute(many)
- Philosophical Basis
- Influenced by Taoism and minimalism
- Forces speakers to find essential descriptions
- No way to express complex nuance -- by design
- Community of ~4,000 active speakers
- ISO 639-3 code assigned: tok
- Toki Pona is a deliberate test of linguistic relativity: can a language with only 120 words constrain (or liberate) thought?
Slide 15
Sign Language Conlangs
- Not all constructed languages are spoken. Several signed constructed languages exist:
- Gestuno (1951)
- Created by the World Federation of the Deaf as an "international sign" system for conferences. Uses simplified signs from various national sign languages. Not widely adopted for daily use.
- International Sign (IS)
- A pidgin-like system that evolved naturally among deaf people at international gatherings. More of a contact variety than a planned language, but shows how signing communities self-organize.
- Artistic Sign Conlangs
- Sign languages have been created for fantasy settings -- including sign language components of Peterson's media conlangs, exploring how spatial grammar differs from spoken grammar.
- The existence of sign language conlangs shows that language construction is modality-independent -- you can invent in any medium that supports combinatorial structure.
Slide 16
Writing Systems for Conlangs
- Many conlangers also invent custom scripts. Writing system design reveals assumptions about what matters in language:
- Tengwar (Tolkien)
- A featural alphabet where letter shapes encode phonetic features. Vertical stems = consonants, diacritics = vowels. Different "modes" adapt it to different languages.
- Klingon pIqaD
- An angular, aggressive-looking script matching Klingon warrior culture. Each symbol represents one sound. Used in Star Trek productions and by fans.
- Heptapod B (Arrival)
- A semasiographic system where meaning is conveyed by the shape of ink circles, not by encoding speech sounds. Non-linear: the entire sentence is expressed simultaneously.
- Sitelen Pona (Toki Pona)
- A logographic system where each of the ~120 words gets a simple pictographic symbol. Can be combined into "sitelen sitelen" -- a non-linear block writing system.
Slide 17
The Conlanging Community
- Since the internet era, language creation has blossomed from isolated hobby to vibrant community:
- Organizations
- Language Creation Society (2007): Runs conferences, publications, and the professional referral network for media conlangs
- CONLANG mailing list (1991): One of the oldest online communities for any creative hobby
- r/conlangs: 100,000+ members discussing language creation
- LangTime Studio: Professional conlang consulting firm
- Culture and Events
- Language Creation Conference (annual since 2006)
- Smiley Award: Lifetime achievement in conlanging
- Conlang Relay: A game of telephone between conlangs
- LCC Presentations: Academic-quality talks on invented languages
- The community distinguishes between "conlangs" (serious linguistic constructions) and "naming languages" (superficial word lists without grammar). Full conlangs typically have complete phonology, morphology, syntax, and extensive lexicons.
Slide 18
Auxlangs vs. Artlangs vs. Engelangs
- The conlanging community recognizes three major categories based on purpose:
- Auxiliary Languages (Auxlangs)
- Designed for international communication. Prioritize learnability and neutrality. Often politically motivated.
- Examples: Esperanto, Interlingua, Lingua Franca Nova, Ido, Novial
- Key tension: Ease of learning vs. expressive power
- Artistic Languages (Artlangs)
- Created for aesthetic pleasure or worldbuilding. Prioritize beauty, depth, and cultural coherence.
- Examples: Quenya, Dothraki, Na'vi, Valyrian
- Key tension: Naturalism vs. creativity
- Engineered Languages (Engelangs)
- Designed to test linguistic or philosophical hypotheses. Prioritize logical rigor or extreme features.
- Examples: Lojban, Ithkuil, Toki Pona, Loglan
- Key tension: Theoretical purity vs. human usability
Slide 19
Can a Conlang Become a "Real" Language?
- This question forces us to define what makes a language "real":
- Criterion 1: Native Speakers
- Esperanto has ~1,000 native speakers (children raised bilingual). But most linguists consider native speakers unnecessary -- millions use English as L2 only.
- Criterion 2: Organic Evolution
- Esperanto has evolved beyond Zamenhof's original rules -- irregular idioms, slang, and dialectal variation have emerged. The community coin new words daily.
- Criterion 3: Cultural Embedding
- Esperanto has original literature (thousands of books), music, theater, jokes, and cultural traditions (Pasporta Servo, Universala Kongreso).
- Criterion 4: Community Identity
- Many Esperantists feel a strong cultural identity around the language. "Esperantujo" (Esperanto-land) is a stateless nation.
- The boundary between "natural" and "constructed" languages is blurrier than it seems. Modern Hebrew was deliberately revived and standardized. Indonesian was consciously chosen and developed. All standard languages involve construction.
Slide 20
Conlangs and Linguistics
- Constructed languages contribute to linguistic science in several ways:
- Testing Typological Limits
- Conlangs can explore features rare or unattested in natural languages. Ithkuil tests whether a language can grammaticize 65 categories simultaneously. Kay(f)bop(t) tests whether phonology can encode syntax.
- Controlled Experiments
- Learning studies with conlangs allow researchers to isolate specific grammatical features and measure their effect on cognition without cultural confounds.
- Pedagogy
- Creating a conlang is perhaps the best way to learn linguistics. Many university linguistics courses now include a conlang creation project.
- Language Universals
- When conlangers try to violate proposed language universals, they discover which constraints are truly cognitive (impossible to use) vs. merely statistical (rare but possible).
Slide 21
The Failed Utopians: Volapuk and Its Descendants
- Before Esperanto, other languages tried -- and failed -- to become universal:
- Volapuk (1879)
- Created by German priest Johann Schleyer, who claimed divine inspiration. Grew to 200,000+ speakers and 283 clubs worldwide. Then collapsed when:
- Schleyer refused all reform proposals
- The language was needlessly complex (vol = world, puk = speak, but roots were distorted beyond recognition)
- Esperanto offered a simpler alternative
- Ido (1907)
- A "reformed Esperanto" that split the movement. Fixed some of Esperanto's problems (less accusative case use, reformed pronouns) but never achieved critical mass. The schism weakened both languages.
- The pattern repeats: each generation of auxlangs claims to improve on predecessors, splits the existing community, and fails to achieve the critical mass needed for a language to become self-sustaining.
Slide 22
Conlangs in Literature and Art
- Beyond Tolkien and media languages, conlangs appear throughout artistic expression:
- Newspeak (Orwell, 1949)
- English stripped of synonyms and abstraction. If you can't say "freedom," can you think it? Orwell's appendix to 1984 is a mini-treatise on linguistic relativity and political control.
- Nadsat (Burgess, 1962)
- A Clockwork Orange's teenage slang blends English with Russian roots. Not a full conlang but demonstrates how vocabulary shapes group identity and moral distancing.
- Pravic (Le Guin, 1974)
- The Dispossessed describes an anarchist society whose language lacks possessives ("my" doesn't exist) and has mandatory evidential marking. Language as political architecture.
- Babel-17 (Delany, 1966)
- A language so efficient it restructures thought -- anyone who learns it becomes a traitor because it lacks the concept of "I." Pure Sapir-Whorf as science fiction.
Slide 23
Revived and Reconstructed Languages
- The boundary between "constructed" and "natural" blurs with language revival efforts:
- Modern Hebrew
- Eliezer Ben-Yehuda deliberately revived Hebrew from liturgical use, inventing thousands of modern words. Today's spoken Hebrew differs significantly from any historical stage. Is it a natural or constructed language?
- Cornish Revival
- Extinct since ~1800, revived using historical records. Multiple competing reconstruction systems disagree on pronunciation. Now has ~500 fluent speakers.
- Manx Gaelic
- The last native speaker died in 1974. Revived from recordings, texts, and learners' notes. Now has several hundred fluent speakers and a primary school.
- Proto-Indo-European
- Some enthusiasts attempt to speak reconstructed PIE. Since reconstruction involves guesswork, speaking it requires creative decisions -- making it partially constructed.
Slide 24
Conlangs and Technology
- Technology has transformed both the creation and use of constructed languages:
- Creation Tools
- Lexique Pro / Lexicon tools: Manage conlang dictionaries with etymology tracking
- Sound change appliers: Automatically derive daughter languages from proto-forms
- Phonology generators: Create plausible phonological inventories
- Zompist toolkit: Mark Rosenfelder's suite for systematic conlang creation
- AI assistance: LLMs can now generate vocabulary and test grammatical rules
- Learning Platforms
- Duolingo: Klingon (4M), High Valyrian (1.7M), Esperanto (12M) learners
- Memrise: Fan-created courses for dozens of conlangs
- YouTube: Conlang Critic, Artifexian, biblaridion channels
- Discord servers: Active speaking communities for major conlangs
- The democratization of conlanging means there are now more languages being created simultaneously than at any point in human history. Some estimates suggest 1,000+ new conlangs are sketched every year.
Slide 25
Controversial Conlangs and Hoaxes
- Not all constructed languages are what they claim to be:
- Enochian (1580s)
- John Dee and Edward Kelley claimed angels dictated this language to them. Modern analysis shows it has English-like features inconsistent with angelic origin. A constructed language disguised as a revelation.
- Damin (Australia)
- An initiation language of the Lardil people with click consonants and unique features unknown in other Australian languages. Some debate whether it was "naturally evolved" or deliberately constructed by its creators.
- Eskaya (Philippines)
- Claimed to be an ancient pre-colonial language with its own script. Linguistic analysis reveals it's likely a constructed language created in the early 20th century, but it has become a genuine community identity marker.
- These cases raise the question: if a community genuinely uses a constructed language as its own, does its artificial origin matter?
Slide 26
Designing Grammar: Choices and Consequences
- Every grammatical decision in a conlang has implications for what's easy or hard to express:
- FeatureChoiceConsequence
- Word orderSOV vs. VSO vs. freeAffects information packaging and emphasis patterns
- Case markingNominative-accusative vs. ergativeChanges how agency is conceptualized
- EvidentialityGrammaticalized vs. optionalForces attention to information sources
- Tense vs. aspectEmphasize when vs. howShapes temporal vs. processual worldview
- Noun classesGender, animacy, shapeCreates perceptual categories for objects
- PolitenessGrammaticalized honorificsEncodes social hierarchy into every sentence
- Conlangers consciously make choices that natural languages made accidentally -- revealing that every grammar is a theory about what matters in human communication.
Slide 27
Conlangs in Education
- Constructed languages are increasingly used as pedagogical tools:
- Linguistics Teaching
- Creating a conlang requires mastering phonology, morphology, syntax, and semantics. Many linguistics programs now include conlang projects as assessment.
- The Propaedeutic Effect
- Studies in British and Australian schools showed that 1 year of Esperanto + 3 years of French produced better French than 4 years of French alone. The regular grammar teaches "how languages work."
- Cognitive Development
- Children who study constructed languages show improved metalinguistic awareness -- the ability to think about language itself rather than just through it.
- Cultural Sensitivity
- Building a conlang requires thinking about how grammar encodes worldview, which builds empathy for diverse linguistic communities.
Slide 28
The Ethics of Language Construction
- Conlanging raises ethical questions that mirror broader issues of representation and power:
- Cultural Appropriation?
- Is it ethical to base a "primitive" fictional language on real minority language features?
- Should conlangers for media consult with communities whose languages inspire their work?
- Dothraki drew criticism for associating agglutinative morphology with "barbarism"
- Linguistic Imperialism
- Esperanto's European bias privileges Indo-European speakers despite claiming neutrality
- The auxlang movement may distract from supporting existing minority languages
- Media conlangs can trivialize the complexity of real linguistic diversity
- Counter-argument: conlangs raise public awareness of linguistic diversity. Game of Thrones taught millions that languages have grammar, phonology, and internal logic -- concepts they never learned in school.
Slide 29
Notable Conlangs You May Not Know
- Solresol (1827)
- Built entirely on the seven musical notes (do, re, mi...). Can be spoken, sung, whistled, signed with colors, or written in numbers. The first widely-known constructed language.
- Blissymbolics (1949)
- A purely ideographic system of 900 symbols combined to express any concept. Originally for international communication, now used as an AAC system for people with speech disabilities.
- Laadan (1984)
- Suzette Haden Elgin's feminist language. Encodes emotional context into every sentence. Has words for female experiences with no English equivalent. A deliberate Sapir-Whorfian experiment.
- Viossa (2014)
- A "pidgin conlang" -- speakers each bring words from different conlangs and must communicate without a shared language. It evolved organically from nothing, like a natural pidgin.
Slide 30
The Future of Conlanging
- Where is language construction headed?
- AI-Assisted Creation
- Language models can generate phonological inventories, derive vocabulary through sound change, and test grammaticality -- dramatically accelerating the creation process.
- Virtual Reality
- VR worlds need immersive linguistic environments. Conlangs may become experiential -- learned through virtual immersion rather than textbooks.
- Therapeutic Applications
- Creating a personal language has been used therapeutically with autistic individuals and trauma survivors -- externalizing internal experience through systematic symbol-making.
- Interspecies Communication
- If we encounter extraterrestrial intelligence, we'll need communication protocols designed from scratch. LINCOS (1960) attempted this: a language built from pure mathematics.
Slide 31
What Conlangs Teach Us About Language
- The practice of constructing languages illuminates fundamental truths about all language:
- Language is a system, not a list: A vocabulary without grammar is not a language. Structure creates meaning beyond words.
- All grammars are arbitrary: There's no "natural" way to encode meaning. Every language is a set of conventions.
- Languages shape communities: Shared language creates shared identity -- even if the language was invented yesterday.
- Complexity is inevitable: Even languages designed for simplicity develop irregularity and idiom as communities use them. Esperanto proves this.
- Creativity is fundamental: Language creation is not an aberration -- every child who invents secret codes, every community that develops slang, is engaging in the same impulse.
- Languages are never finished: A living language changes constantly. A conlang that stops changing has died.
- "A language is a dialect with an army and a navy."
- -- Max Weinreich (equally applicable to conlangs: a conlang is a code that achieved community)
Slide 32
Key Takeaways
- 900+
- Documented constructed languages exist, from Hildegard of Bingen's 12th-century Lingua Ignota to today's thousands of online conlangs.
- Diverse Purposes
- International peace (Esperanto), artistic expression (Quenya), logical precision (Lojban), minimalist philosophy (Toki Pona), media worldbuilding (Dothraki).
- Real Impact
- Millions learn conlangs on Duolingo. Conlanging is now a paid profession. Created languages change how people think about linguistic diversity.
- Boundary Blurring
- Modern Hebrew, standard languages, programming languages -- the line between "natural" and "constructed" is a spectrum, not a boundary.
- Constructing a language is an act of radical creativity: it requires understanding what language IS at its deepest level, then building one from first principles. Every conlanger becomes, in miniature, both the evolutionary process and the community that shapes a natural language over millennia -- compressed into a single creative mind.
