astronomy

Leiden school

Leiden school is a astronomy 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 Leiden school rather than just read about it. In short: The Leiden school is a school of thought in linguistics that models languages as memes or benign neurological parasites, and tries to use rigorous mathematical tools borrowed by analogy from biological evolution to model the origin and spread of language in general and specific languages in particular. It is based at the University of Leiden, and its chief proponents are George van Driem, Frederik Kortlandt, and Jer…

Key takeaways

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

Reference excerpt

The Leiden school is a school of thought in linguistics that models languages as memes or benign neurological parasites, and tries to use rigorous mathematical tools borrowed by analogy from biological evolution to model the origin and spread of language in general and specific languages in particular. It is based at the University of Leiden, and its chief proponents are George van Driem, Frederik Kortlandt, and Jeroen Wiedenhof. The Leiden school has a significant overlap in personnel with the Himalayan Languages Project. The Leiden school of linguistics should not be confused with the current research institute of linguistics at Leiden University, the Leiden University Centre for Linguistics (LUCL) or the methodology employed in the Indo-European Etymological Dictionary currently worked on at this institute.

See also Structural anthropology Symbiosism

References

Worked examples

Example 1 — a first encounter with Leiden school

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

In research: Leiden school appears in astronomy 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 Leiden school 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: Leiden school is common in secondary-school and first-year university syllabi. It links to neighbouring topics Leiden University, Linguistics stubs, Schools of linguistics, so understanding it makes those chapters shorter.
In everyday life: Look for Leiden school 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 Leiden school in 20 minutes

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

Frequently asked questions

What is Leiden school in simple terms?

Why does Leiden school matter?

Because it connects several astronomy 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 Leiden school?

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 Leiden school.