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Salah al-Din al-Ala'i

Salah al-Din al-Ala'i is a biology 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 Salah al-Din al-Ala'i rather than just read about it. In short: Abū Saʿīd Khalīl b. Kaykaldī b. ʿAbdallāh al-ʿAlāʾī (Arabic: أبو سعيد خليل بن كيكالدي بن عبد الله العلائي), also known as Ṣalāḥ al-Dīn al-ʿAlāʾī (Arabic: صلاح الدين العلائي), was a Sunni polymath of the Mamlūk era.

Key takeaways

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

Reference excerpt

Abū Saʿīd Khalīl b. Kaykaldī b. ʿAbdallāh al-ʿAlāʾī (Arabic: أبو سعيد خليل بن كيكالدي بن عبد الله العلائي), also known as Ṣalāḥ al-Dīn al-ʿAlāʾī (Arabic: صلاح الدين العلائي), was a Sunni polymath of the Mamlūk era. He was a distinguished Shāfiʿī jurist, legal theorist, ḥadīth master, historian, genealogist, Qurʾānic exegete, theologian, grammarian, philologist, poet, and man of letters. He was regarded as one of the most eminent ḥadīth scholars of his time, renowned for his profound mastery of isnād (chains of transmission), matn (textual analysis), rijāl (biographical evaluation of transmitters), and ʿilal (hidden defects in transmission).

Early life He was born in Damascus (694/1295) as the son of a Turkish soldier and grew up there. At the age of ten, he began studying hadith. He undertook many journeys for learning to major centers of knowledge such as Jerusalem, Mecca, and Egypt. He benefited from more than 700 scholars, among them notable figures like Sharaf al-Din al-Fazārī, Kamāl al-Dīn Ibn al-Zamalkānī, Jamāl al-Dīn al-Mizzī, and al-Dhahabī.

Scholarly life

Career He travelled to the Ḥijāz many times for pilgrimage and stayed there for long periods as a resident near the sacred precincts. He taught ḥadīth in the Nāṣiriyya (1318) and Asadiyya (1323) madrasas in Damascus, as well as in the Ṣalāḥiyya (1331) and later the Tankīziyya madrasas in Jerusalem. He authored numerous treatises and delivered a considerable number of legal opinions (fatwas).

Students Among his many students were:

Ibn Kathir Zain al-Din al-Iraqi Ibn al-Mulaqqin Firuzabadi Ibn Rajab

Death Al-ʿAlāʾī dedicated his personal library to the Sümaysātiyya Khānqāh in Damascus. He died in Jerusalem on 5 Muḥarram 761 (27 November 1359). He was buried in the Bāb al-Raḥmah cemetery beside the wall of the Al-Aqsa Mosque.

Theology Al-ʿAlāʾī is characterized as a committed Shāfiʿī in jurisprudence and an Ashʿarī in creed. According to Ibn al-Subkī, he was involved in certain disputes with Ḥanbalī scholars, though the details are not specified. Although disputes between Shafi'is and Hanbalis in Medieval Damascus were common. Other sources likewise indicate that he engaged in scholarly disagreements with members of the Ḥanbalī school over particular theological and legal matters. Ṣalāḥ al-Dīn al-ʿAlāʾī authored a treatise titled Al-Aḥādīth al-Wāridah fī Dhikr Ziyārat Qabr al-Nabī ("The Traditions Concerning the Visitation of the Prophet’s Tomb"), written as a refutation of Ibn Taymiyyah's opposition to the practice of ziyāra (visiting the Prophet's grave). The work compiles traditions that affirm or otherwise support the visitation of the Prophet's sepulchre. Al-ʿAlāʾī was closely associated with other scholars who likewise composed written rebuttals to Ibn Taymiyyah's views. Al-ʿAlāʾī presents a respectful yet firm critique of his teacher al-Dhahabī. He acknowledges that al-Dhahabī was pious, and sincere, yet he often displayed bias in his evaluations, leaning toward the Ḥanbalī creed while showing unfairness in his judgment, particularly toward the Ashʿarīs, whom al-ʿAlāʾī regarded as among those who preserved and advanced the Islamic sciences through their scholarship and defense of orthodoxy. He laments that al-Dhahabī's zeal at times led him to exaggerate the faults of the ulama while diminishing their immense contribution. Out of deep affection, al-ʿAlāʾī expresses concern for his teacher on the Day of Judgment, fearing the consequences of his harsh tongue toward the many luminaries of Islam. Yet he remains hopeful that al-Dhahabī's honesty and lifelong service to the tradition will outweigh his errors, affirming that he himself would intercede on his behalf out of loyalty and gratitude.

Reception Taqī al-Dīn al-Subkī regarded al-ʿAlāʾī as the scholar most qualified to succeed him, while Zayn al-Dīn al-ʿIrāqī praised him as "the ḥāfiẓ of the East and the West." Al-Suyūṭī described him as a polymath, and al-Shawkānī observed that he excelled in every branch of the Islamic sciences. Al-Dhahabī, in al-Mukhtaṣar, portrayed him as a ḥāfiẓ highly skilled in identifying narrators and hidden defects in ḥadīth, lauding his sharp intellect, remarkable memory, and quick comprehension. Al-Safadī said about him:

“He was a marvel in his vast learning and in his many virtues, the extent of which was well known among the people. He mastered exegesis (tafsir), and possessed the knowledge of ḥadīth that which the great multitude bore witness to. He excelled in both branches of jurisprudence and its foundations (furuʿ and uṣūl), encompassed what is found in the Muḥaṣṣal and Maḥṣūl [books of theology], extracted the very essence of grammatical expression, and penetrated the secrets of the Bedouin tongue. He had knowledge of the biographies of prominent figures of the world and knew the events involving the cunning and the peaceful. In the critical analysis and verification of authentic hadith, that was a discipline in which he possessed a unique mastery. The scholars of his time, both its foremost specialists and its wider learned community, bore witness to his excellence in it. His writings confirm these claims, his annotations establish his virtues, and they refute any faults attributed to him.” Ibn Qāḍī Shuhba said:

“He strove diligently and exerted himself until he surpassed the people of his age in memorization and precision. He was an imām in jurisprudence, grammar, and the principles of law; well-versed in the sciences of hadith and the study of narrators, a master in the knowledge of texts and chains of transmission, one of the last of the great hadith scholars. His writings testify to his mastery in every field. He taught, issued fatwas, and engaged in scholarly debates. No one like him came after.” Ibn al-Subkī said:

“He was a ḥāfiẓ (memorizer), steady, trustworthy, knowledgeable of the names of narrators, hidden defects (ʿilal), and hadith texts (matn). He was a jurist, theologian (mutakallim), man of letters, poet, both a composer of verse and prose, skilled in many sciences, an Ashʿarī, sound in creed, a Sunnī. After him, no one like him appeared in the science of hadith.” Ibn Kathir said:

“He possessed exceptional mastery in identifying the higher and lower chains of transmission, and in compiling and verifying specialized ḥadīth collections and rare narrations. He also had strong proficiency in jurisprudence, linguistics (both grammar and lexicography), and literature.”

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with Salah al-Din al-Ala'i

Start with the simplest possible case. Write down what Salah al-Din al-Ala'i claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 Salah al-Din al-Ala'i 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 Salah al-Din al-Ala'i 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 Salah al-Din al-Ala'i

In research
Salah al-Din al-Ala'i appears in biology 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 Salah al-Din al-Ala'i 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
Salah al-Din al-Ala'i is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1295 births, 1359 deaths, 14th-century Muslim theologians, so understanding it makes those chapters shorter.
In everyday life
Look for Salah al-Din al-Ala'i 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 Salah al-Din al-Ala'i in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Salah al-Din al-Ala'i means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Salah al-Din al-Ala'i out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Salah al-Din al-Ala'i in simple terms?

Abū Saʿīd Khalīl b. Kaykaldī b. ʿAbdallāh al-ʿAlāʾī (Arabic: أبو سعيد خليل بن كيكالدي بن عبد الله العلائي), also known as Ṣalāḥ al-Dīn al-ʿAlāʾī (Arabic: صلاح الدين العلائي), was a Sunni polymath of the Mamlūk era.

Why does Salah al-Din al-Ala'i matter?

Because it connects several biology 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 Salah al-Din al-Ala'i?

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 Salah al-Din al-Ala'i.

Tags

  • 1295 births
  • 1359 deaths
  • 14th-century Muslim theologians
  • 14th-century historians
  • Asharis
  • Biographical evaluation scholars
  • Critics of Ibn Taymiyya
  • Genealogists
  • Hadith scholars
  • Logicians
  • Medieval grammarians of Arabic
  • Philologists of Arabic

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