science

Terçon

Terçon is a science 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 Terçon rather than just read about it. In short: The terçons (Aranese Occitan: terçon; Catalan: terçó) form the geographical subdivision of the Aran Valley, in Catalonia. It was in use from the granting of the Querimonia, in 1313, until its abolition in 1833 with the Spanish provincial division.

Key takeaways

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

Reference excerpt

The terçons (Aranese Occitan: terçon; Catalan: terçó) form the geographical subdivision of the Aran Valley, in Catalonia. It was in use from the granting of the Querimonia, in 1313, until its abolition in 1833 with the Spanish provincial division. It was then traditionally maintained in common use as an identity element until its restoration in 1990 as a constituency for the General Council of Aran.

History Initially there were three terçons, hence the name (English: "thirds"), under the names of Garòs, Vielha and Bossòst. These corresponded to the three geographical areas of the valley: Naut Aran (upper Aran), Mijaran (central Aran) and Baish Aran (lower Aran). In the 16th century each terçon was subdivided into two sesterçons, which continued to be commonly called terçons:

Garòs: Arties (today Arties e Garòs) and Pujòlo. Vielha: Marcatosa and Castièro. Bossòst: Irissa and Quate Lòcs. The Querimonia, granted by James the Just in 1313, established the General Council of Aran as its own governing body made up of representatives from each terçon. The Nueva Planta decrees did not abolish the Aranese furs, but its autonomy was significantly reduced. With the provincial division of 1833, the territory was integrated into the Spanish province of Lleida, with the subsequent suppression of the General Council and the replacement of terçons by municipalities. Despite no longer having an administrative function, the terçons continued to be maintained in a traditional way among the inhabitants of the valley as an identity mark. In 1977, during the Spanish Transition, an association with the name of Es Terçons was set up to defend the Aranese interests in the Statute of Autonomy of Catalonia of 1979.

Administration The law on the Aran Valley's special government restored the traditional administrative structure, which was superimposed on the municipal structure. In the elections to the General Council, each terçon elects their councillors as well. With a total of 13, each terçon is assigned a number of councillors following the number of inhabitants.

Illustrations

Worked examples

Example 1 — a first encounter with Terçon

Start with the simplest possible case. Write down what Terçon claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Terçon 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 Terçon 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 Terçon

In research: Terçon appears in science 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 Terçon 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: Terçon is common in secondary-school and first-year university syllabi. It links to neighbouring topics Former subdivisions of Spain, History of the Pyrenees, Medieval Catalonia, so understanding it makes those chapters shorter.
In everyday life: Look for Terçon 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Terçon” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Terçon in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Terçon 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 Terçon out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Terçon in simple terms?

Why does Terçon matter?

Because it connects several science 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 Terçon?

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 Terçon.