mathematics

Pierre-Justin Delort

Pierre-Justin Delort is a mathematics 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 Pierre-Justin Delort rather than just read about it. In short: Pierre-Justin Delort (1758-1835), often anglicized to Peter, was a French priest and academic who was exiled following the French Revolution and moved to Ireland. He was born in Bordeaux in December 1748.

Key takeaways

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

Reference excerpt

Pierre-Justin Delort (1758-1835), often anglicized to Peter, was a French priest and academic who was exiled following the French Revolution and moved to Ireland. He was born in Bordeaux in December 1748. A priest in the Archdiocese of Bordeaux in France, he held a Doctor of Laws from the University of Bordeaux. Delort was a professor of philosophy at the Collège de Guyenne, before the Revolution. Following the revolution, he emigrated to London.

Maynooth College In 1795 he was appointed the first professor of Natural Philosophy and Mathematics at the newly established Royal College, of St. Patrick, Maynooth, Ireland. Delort was one of the first four professors present in Maynooth in 1795, the others being former professor of philosophy in Paris, Maurice Aherne (Dogmatic Theology), James Bernard Clinch (Humanity), and John Chetwode Eustace (Rhetoric). Delort's first class contained only three students. Delort was one of the four exiles from France; the others being Francois Anglade (Sorbonne, Paris), André Darré (Toulouse), and Louis-Gilles Delahogue (Sorbonne, Paris), sometimes called the French founding fathers of Maynooth. In 1801 following the concordat between the papacy and the French government, he returned to France initially for six months on a leave of absence, but he never returned to Maynooth; his fellow Frenchman Darré became chair of natural philosophy and mathematics.

Return to France and Eucharistic miracle of Bordeaux Delort became canon and secretary to the Archdiocese of Bordeaux; he also served as Chair of Theology at the local Seminary. While saying Mass in the Church of St. Eulalia in Bordeaux on 3 February (Septuagesima Sunday) 1822, Abbot Delort, substituting for Venerable Pierre Bienvenu Noaille who usually said Mass for the nuns, consecrated the host. When he looked at the host, Jesus appeared in the host. This became known as a Eucharistic miracle.

Legacy The Delort Prize is awarded for outstanding performance in Pure Mathematics in the First Year Examinations at Maynooth University and is named in his honour.

References

Worked examples

Example 1 — a first encounter with Pierre-Justin Delort

Start with the simplest possible case. Write down what Pierre-Justin Delort claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, 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 Pierre-Justin Delort 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 Pierre-Justin Delort 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 Pierre-Justin Delort

In research: Pierre-Justin Delort appears in mathematics 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 Pierre-Justin Delort 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: Pierre-Justin Delort is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1748 births, 17th-century French Roman Catholic priests, 1825 deaths, so understanding it makes those chapters shorter.
In everyday life: Look for Pierre-Justin Delort 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 Pierre-Justin Delort in 20 minutes

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

Frequently asked questions

What is Pierre-Justin Delort in simple terms?

Why does Pierre-Justin Delort matter?

Because it connects several mathematics 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 Pierre-Justin Delort?

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 Pierre-Justin Delort.