engineering

Ithkuil

Ithkuil is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Ithkuil rather than just read about it. In short: 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.

Key takeaways

Ithkuil belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Ithkuil to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Ithkuil from memory before moving on to harder problems.

Reference excerpt

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 "hypothetical representation of a language." Quijada states he did not create Ithkuil to be auxiliary or used in everyday conversations. Instead, he wanted the language for more elaborate and profound fields where more insightful thoughts are expected, such as philosophy, arts, science, and politics. Meaningful phrases or sentences can usually be expressed in Ithkuil with fewer linguistic units than natural languages. For example, the two-word Ithkuil sentence "Tram-mļöi hhâsmařpţuktôx" can be translated into English as "On the contrary, I think it may turn out that this rugged mountain range trails off at some point." Quijada deems his creation as too complex to have developed naturally, seeing it as an exercise in exploring how languages could function. It was featured in the Language Creation Conference's 6th Conlang Relay. Four versions of the language have been publicized: the initial version in 2004, a simplified version called Ilaksh in 2007, a third version in 2011, and the current version (as of February 2023), called New Ithkuil. In 2004—and again in 2009 with Ilaksh—Ithkuil was featured in the Russian-language popular science and IT magazine Computerra. In 2008, David J. Peterson awarded it the Smiley Award. In 2013, Bartłomiej Kamiński codified the language to parse complicated sentences quickly. Julien Tavernier and anonymous others have since followed suit. Since July 2015, Quijada has released several Ithkuil songs in a prog-rock style as part of the album Kaduatán, which translates to "Wayfarers." Recently, online communities have developed in English, Russian, Mandarin, and Japanese.

Etymology Versions of Ithkuil are generally numbered with Roman numerals, e.g. Ithkuil I, Ithkuil II. Despite this, Ithkuil has other names attached to it, either officially named or was named by the Ithkuil-enthusiast community: Ithkuil I version was named as "Iţkuîl" (anglicised: Ithkuil; /ɪθˈkʊ.il/) which became the origin of the name "Ithkuil", Ithkuil II as "ilákš" (anglicised: ilaksh; /iˈlǎkʃ/), Ithkuil III as "Elartkha" or "elartkʰa" (/εˈlârtkʰa/), and Ithkuil IV which is commonly referred to as TNIL or "The New Ithkuilic Language" or also known as "Malëuţřait" by the community.

Ithkuil (based entirely on the original Ithkuil grammar book) The word iţkuîl was a formative derived from the root k-l (broadly concerning "speech", "voice", or even "interpretation") through the addition of several morphological determinants:

The -u- vocalic infix kul was the holistic variety of the Stem 2 of the three other possible stems from k-l. Translating roughly as "a meaningful unit of speech", i.e. "a word", it gave no emphasis on the meaning or the vocal rendering of the word. The u → uî mutation of the infix Secondary mode, as opposed to primary mode, meant that the word kuîl is not to refer to a real-life phenomenon, but rather to a mental representation, or projection, of that phenomenon; to an imaginary or hypothetical object. Thus translating as, "a made-up word". A grade 8 mutation of the first radical consonant: k → ţk The configuration of the term was composite. Roughly corresponding to the plurality concept in Indo-European languages, it also implies the objects in question (words, kuîl) to be diverse, while forming a "coherent emergent entity" (rather than just a collection or an array of different words), thus meaning "a vocabulary" or "lexicon". The i- vocalic prefix, one of the 24 possible for formative roots The extension was delimitive, perceiving "vocabulary" as entire, with clearly distinguished boundaries, as opposed to it being just a local manifestation – such as slang or a dialect – of a broader lexicon (-ţkuîl). The affiliation of the set of objects in question was coalescent. This indicates that the individual members of the set act together toward a higher purpose by coordinating their complementary functions. Thus, "a vocabulary/lexicon" becomes "a language". Syllabic stress on the penultimate syllable (-u-) The perspective of the noun is monadic, seeing "the language" as a single and specific entity, rather than a collection of many languages existing separately, the general phenomenon ("human languages") or the abstract idea of language. Thus, the approximate translation of iţkuîl was "an idea/fantasy of a complete purposeful system of complementary speech elements", or simply "an imaginary language".

History

… excerpt ends here. Continue reading the full article.

Illustrations

Ithkuil: An example of vertical boustrophedonic Ithkuil text (2004).

Translation: "As our vehicle leaves the ground and plunges over the edge of the cliff toward the valley floor, I ponder whether it is possible that one might allege I am guilty of an act of moral failure, having failed to maintain a proper course along the roadway."

Romanized: Pull̀ uíqišx ma’wałg eřyaufënienˉ päţwïç auxë’yaļt xne’wïļta’şui tua kit öllá yaqazmuiv li’yïrzişka’ p’amḿ aìlo’wëčča šu’yehtaş
ˈpʊl꜔꜖.l̩ ʊˈɪ꜔꜖qɪʃx ˈma꜔꜖ʔwaɫɡ ɛʁjaʊfɤˈnɪ˥ɛn ˈpæθ꜔꜖wɯç aʊˈxɤ꜔꜖ʔjaɬt xnɛʔwɯɬˈtaʔ꜔꜖ʂʊɪ ˈtʊ꜔꜖a kɪt꜔꜖ œlːˈa꜔꜖ jaˈqaz꜔꜖mʊɪv lɪʔjɯɾˈzɪʂ꜔꜖kaʔ p’am.ˈm̩꜔꜖ a.ɪlɔˈwɤ꜔꜖tʃːa ʃʊʔˈjɛh꜔꜖taʂ ⓘ — An example of vertical boustrophedonic Ithkuil text (2004). Translation: "As our vehicle leaves the ground and plunges over the edge of the cliff toward the valley floor, I ponder whether it is possible that one might allege I am guilty of an act of moral failure, having failed to maintain a proper course along the roadway." Romanized: Pull̀ uíqišx ma’wałg eřyaufënienˉ päţwïç auxë’yaļt xne’wïļta’şui tua kit öllá yaqazmuiv li’yïrzişka’ p’amḿ aìlo’wëčča šu’yehtaş ˈpʊl꜔꜖.l̩ ʊˈɪ꜔꜖qɪʃx ˈma꜔꜖ʔwaɫɡ ɛʁjaʊfɤˈnɪ˥ɛn ˈpæθ꜔꜖wɯç aʊˈxɤ꜔꜖ʔjaɬt xnɛʔwɯɬˈtaʔ꜔꜖ʂʊɪ ˈtʊ꜔꜖a kɪt꜔꜖ œlːˈa꜔꜖ jaˈqaz꜔꜖mʊɪv lɪʔjɯɾˈzɪʂ꜔꜖kaʔ p’am.ˈm̩꜔꜖ a.ɪlɔˈwɤ꜔꜖tʃːa ʃʊʔˈjɛh꜔꜖taʂ ⓘ

Worked examples

Example 1 — a first encounter with Ithkuil

Start with the simplest possible case. Write down what Ithkuil claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Ithkuil before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Ithkuil ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Ithkuil

In research: Ithkuil appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Ithkuil in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Ithkuil is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2004 introductions, Constructed languages, Constructed languages introduced in the 2000s, so understanding it makes those chapters shorter.
In everyday life: Look for Ithkuil outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Ithkuil in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Ithkuil means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Ithkuil out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Ithkuil in simple terms?

Why does Ithkuil matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Ithkuil?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Ithkuil.