Ibn Bajjah

Abū Bakr Muḥammad ibn Yaḥyà ibn aṣ-Ṣā’igh at-Tūjībī ibn Bājja ( ar, أبو بكر محمد بن يحيى بن الصائغ التجيبي بن باجة), best known by his Latinised name Avempace (;  – 1138), was an Arab
Andalusian polymath, whose writings include works regarding astronomy, physics, and music, as well as philosophy, medicine, botany, and poetry.

He was the author of the ''Kitāb an-Nabāt'' ("The Book of Plants"), a popular work on botany, which defined the sex of plants. His philosophical theories influenced the work of Ibn Rushd (Averroes) and Albertus Magnus. Most of his writings and books were not completed (or well-organized) due to his early death. He had a vast knowledge of medicine, mathematics, and astronomy. His main contribution to Islamic philosophy was his idea on soul phenomenology, which was never completed.

Avempace was, in his time, not only a prominent figure of philosophy but also of music and poetry. His '' diwan'' (Arabic: collection of poetry) was rediscovered in 1951. Though many of his works have not survived, his theories in astronomy and physics were preserved by Moses Maimonides and Averroes respectively, and influenced later astronomers and physicists in the Islamic civilization and Renaissance Europe, including Galileo Galilei.

Avempace wrote one of the first (argued by some to be the first) commentaries on Aristotle in the Western world. While his work on projectile motion was never translated from Arabic to Latin, his views became well known around the Western world and to Western philosophers, astronomers, and scientists of many disciplines. His works impacted contemporary medieval thought, and later influenced Galileo and his work. Avempace's theories on projectile motion are found in the text known as "Text 71".

Biography

Avempace was born in Zaragoza, in what is today Aragon, Spain, around 1085 and died in Fes then under the Almoravid dynasty, in 1138. Rulers of Zaragoza shifted constantly throughout Avempace's young life, but in 1114, a new Almoravid governor of Zaragoza was appointed: Abu Bakr 'Ali ibn Ibrahim as-Sahrawi, also known as Ibn Tifilwit. The close relationship between Avempace and Ibn Tifilwit is verified in writings by both Ibn al-Khatib and Ibn Khaqan. Avempace enjoyed music and wine with the governor and also composed panegyrics and muwashshahat to publicly praise Ibn Tifilwit, who rewarded him by nominating him as his vizier. In a diplomatic mission to meet the overthrown Imad ad-Dawla Ibn Hud King in his castle, Avempace was placed in jail for some months for reasons unknown. Ibn Tifilwit was also killed during a quest against the Christians in 1116, ending his short reign and inspiring Avempace to compose mournful elegies in his honor. Avempace also had a talent for singing and composition in music. In the beginning of his career, he wrote the manuscript ''Risālah fī l-alḥān'' (Tract on melodies) and incorporated his commentary on al-Fārābī’s treatise based on music. He determined the correlations between different melodies and temperament. According to biographer al-Maqqarī, Avempace's passion for music was due to poetry and had “the virtue of dispelling the sadness and pain of the hearts ic” He included his scientific knowledge and wit in many poems. Avempace joined in poetic competitions with the poet al-Tutili.

After the fall of Zaragoza in 1118 by the hands of King Alfonso The Battler, Avempace looked for shelter under Abu Ishaq Ibrahim ibn Yûsuf Ibn Tashfin, another brother of the Almoravid Sultan ( Ali Ibn Yusuf Ibn Tashfin) in Xàtiba. He worked, for some twenty years, as the vizier of Yusuf Ibn Tashfin. Throughout these decades, it is clear that Avempace was not as agreeable with those close to the ruler, Ibn Tashfin, as he was during the previous reign of Ibn Tifilwit. Writings by Ahmad al-Maqqari gives us insight into the hostility and disagreements between Avempace and the father of a famous physician respected by Ibn Tashfin, Abd al-Malik. A poetry anthology, Qala’id al-iqya (Necklace of Rubies)'','' was also created by a courtier of Ibn Tashufin's, Abu Nasr al-Fath Ibn Muhammad Ibn Khaqan, which condescendingly placed Avempace in last place. Under Ibn Tashfin, the Sultan of the Almoravid empire, Avempace was imprisoned twice. The details of the imprisonment are not well understood, but can be assumed. Despite being unwelcomed, Avempace remained with the Almoravid empire for the rest of his life until his death in 1138. There has been evidence presented that brings up the argument that the cause of Avempace's death was by poison from his peers. Al-Maqqari details in his writing that a physician, Abu l-'Ala' Ibn Zuhr, was an enemy of Avempace's whose servant, Ibn Ma‛yub, was suspected of poisoning him at the time but was never convicted. Among his many teachers was Abu Jafar ibn Harun of Trujillo, a physician in Seville, Al-Andalus.

Philosophy

Ibn Bajja, also known as Avempace, was an important Islamic philosopher, among his many other trades. In his time, he was seen as a controversial figure, receiving criticism from his peers like Ibn Tufayl. However, he was also respected by his peers and even his critics. While Ibn Tufayl was noted for criticizing Ibn Bajjah's work, he also described him as having one of the sharpest minds with one of the soundest reasoning as compared to the others following the first generation of speakers.

Around his time, Islamic philosophy, and the post-hellenic world, was mainly divided into two opposing branches of thoughts. The Eastern branch, which was led by Ibn Sina, known as Avicenna in Latin, and the Western branch, which was led by Ibn Bajjah. Avempace's work in philosophy is seen as uneven and mostly incomplete, but what parts of his work that survive to this day demonstrates originality in his thought process. His main philosophical work is the unfinished politico-ethical treatise ''Governance of the Solitary.''

Upon his unplanned trip to Egypt, Avempace wrote ''Risālat al-wadāʿ'' (Letter of Bidding Farewell) and ''Risālat al-ittiṣāl al-ʿaql bi al-insān'' (Letter on the Union of the Intellect with Human Beings) that were dedicated to Ibn al-Imām. His famous works included ''Tadbīr al-mutawaḥḥid'' (Management of the Solitary), the ''Kitāb al-nafs'' (Book on the Soul), and the ''Risāla fī l-Ghāya al-insāniyya'' (Treatise on the Objective of Human Beings). The reflections of his famous accomplishments show how these were written near the end of his life. He was inspired based on Aristotelian line. In Avempace's philosophy, it contains two key pillars, solitude and conjunction. Solitude represents the isolation philosopher commonly seeks in order to protect himself from the corruption of society and conjunction refers to the philosopher's quest for the lowest celestial intelligence. It is required for the human soul's development.

These works are tough to understand. Nevertheless, Risālat al-ittiṣāl has interpreted the introduction. The treatise stated the overall point of Avempace's thinking:

"The ultimate end of man, namely the contemplation of truth, with the active intellect joining the human intellect in a contemplative and almost mystic way."

However, the most important idea from Avempace's system was not mentioned in the treatise, "how the union of the active intellect with man occurs, which is the ultimate goal being pursued by the solitary."

From his writings, Ibn Bajjah has been shown to taken a liking to Plato's contribution to philosophy. Ibn Bajjah, in particular, takes from Plato's idea of the necessary connection between man and city with a bit of a twist. Plato's idea was to model the perfect city after the human soul. On the other hand, Avempace wanted to use the perfect city as a model for the human soul. Avempace imagines the perfect city as a place that is free of any beliefs or opinions that are in opposition of the truth and where true science reigns supreme. Any man or idea that contradicts these true beliefs are defined as "weeds." Weeds are only to be found in imperfect cities.

Avempace also wrote on the health of a perfect man. He alluded to the idea that the perfect man does not just require physical health, but spiritual health too. Avempace goes into more detail about the soul, which he describes of having both an acquired intellect, as well as an active intellect. The active intellect has no basis coming from the physical world. Acquired intellect, however, is a result of experiences from the material world. The perfect man can exist in either a perfect city or a non-perfect city. However, if a perfect man lives in a non-perfect city, he believes that they are to remain apart from the rest of the society. This is because a non-perfect city is full of weeds. In order for a perfect person to preserve themselves from the weeds, they need to live in solitude despite living in solitude being against human nature.

In addition, Avempace had changed forgotten non-syllogistic arts into “practical arts”, and wrote:

"If some of them he practical artsemploy syllogisms as medicine and agriculture do, they are not called syllogistic because their purpose is not o convince anothernor to employ syllogisms, but to do some activity."

He wrote nine medical treatises. Galen inscribed commentary on Hippocrates’ Aphorisms in “Commentary on ''Aphorisms''” that includes Avempace’s view about medicine. Medical syllogisms are revolved by means of experience. Experience is obtained in a person’s life time through perception. Avempace defines experience:

"As man’s reliance on perception to know particular spects, ''juz’iyyat''of some matter so that some science results from this perception.

Experience is said in general and in particular. If it is said in general, it points out that perception intents knowing particular spectsof a matter, from which a universal proposition results. The particular nstancesmay take place either by man’s will or naturally."

Avempace considers experience as the second essential part of medicine. Avempace’s theoretic system sketched out all reality. Reality comes in many forms that includes motion and action. Avempace categorizes them between natural and artificial. Natural reality forms move bodies with power while bodies within artificial reality forms are unintentionally moved. It also show how the body is viewed.

“Art (sina‛a) is the elaborated form abstracted from matter; it is abstracted from its matter. The artificial form which exists in its matter does not have any power to move that which is in it nor to move something else. This is the difference between artificial and natural forms."

This example also represents the use of motion:

“If there is a house, there is a foundation by necessity, and this kind of necessity is a relationship between the causes of the existing bjectand the final ause If he final causeis described, the various kinds of the causes follow it by necessity, and the form acts in a similar way.

If the form is the final auseof a motion, motion follows it by necessity, and it is something evident because, if there is building activity, there will be a house, and if there is building, there is the art of construction, but if there is only the art of construction, there will be no building. If ormis acquired ‘by design,’ the other causes result in an orderly way from the final cause by necessity.”

This shows as human involvement is design. Absolute necessity reigns over the heavens. Avempace views necessity into three kinds: absolute, design, and material. Avempace demonstrates the moon eclipses using absolute necessity over time. Based on the relations of the moon eclipses, Avempace indicates “possibility shares necessity”. He defines the body as an artificial collection of matter, which acts as an instrument for the soul to work through. In doing so, he establishes the soul as an autonomous subject. Avempace believes that the human soul has three stages. It starts in the plant stage, then to the animal stage, and finally to human stage. Each stage has an important attribute that the soul grows from. The plant life is where the soul is provided with nourishment and growth. In the animal stage, the soul is introduced to sensations. When the soul moves to the human state, the soul gains common sense, imagination, and memory. Additionally, Avempace writes that the soul is geometrically formless. Because its form is beyond our understanding of geometric shapes, he states, it exists on a plane higher than that which we perceive with our bodies. Avempace is said to have been influenced by Platonic and Aristotelian views on the subject. He credits Plato with the theory of the soul as a substance:

"Since it was clear to Plato that the soul is assigned to substance, and that substance is predicated on the form and matter which is body, and that the soul cannot be said to be a body, he fervently defined the soul in its particular aspect. Since he had established that the forms of spheres are souls, he looked for the commonality of all ouls and found that sense perception is particular to animals, utthat movement is particular to all, and therefore he defined the soul as “something which moves itself."

Avempace also describes four types of Intelligible forms. They are described as bodies that have an eternal circular motion, an acquired intellect, those with external senses, and those with internal senses. These ideas are consistent with Aristotle's descriptions of the soul and its properties in his treatise ''De Anima,'' though there is speculation that there were no Arabic transcriptions available to Avempace''.''

Avempace, known as "Ibn al-Sa’igh" by Jewish tradition, is rarely recognized for his philosophical and astronomical works that influenced and were employed by many Medieval Jewish philosophers during and after his short life. The first record of Avempace's influence on Jewish philosophy comes from a well-known Jewish contemporary author and philosopher: Judah Halevi. In Chapter 1 of his greatest philosophical work, The Kuzari, Halevi summarizes three ideas directly influenced by works of Ibn Bajja: one's unification with the Active Intellect is attainable during their lifetime, this unification implies cognitive identity with others who are aware of the truth, and a philosopher's life is a solitary regimen.

The renowned polymath and Jewish philosopher, Maimonides, was possibly born in the same year of Avempace's death, yet he preserved and studied the works of the deceased Andalusian. Maimonides admired Avempace for his achievements, stating that " bn Bajjawas a great and wise philosopher, and all of his works are right and correct". Maimonides also valued Ibn Bajja's commentary on Aristotle's works on astronomy. In one of his three major works, The Guide for the Perplexed, Maimonides assesses Hebrew Bible

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