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William Hamilton

William Hamilton b1788.jpg
Born (1788-03-08)8 March 1788
Glasgow, Scotland
Died 6 May 1856(1856-05-06) (aged 68)
Edinburgh, Scotland
Era 19th-century philosophy
Region Western philosophy
School Common sense realism
Main interests
Metaphysics, logic
Signature
Sir William Hamilton signature.jpg
Bust of Sir William Hamilton, by William Brodie, Old College, University of Edinburgh
A bust of Sir William Hamilton at the University of Edinburgh.

Sir William Hamilton, 9th Baronet (born March 8, 1788 – died May 6, 1856) was a Scottish thinker who studied how we think and understand the world. He is sometimes called William Stirling Hamilton, using his mother's family name.

Early Life and Learning

Growing Up in Glasgow

William Hamilton was born in Glasgow, Scotland, in a family of academics. His father, Professor William Hamilton, was a professor of anatomy. Sadly, his father died when William was very young, in 1790. William and his younger brother, Thomas, were raised by their mother.

School Days and University

William went to Glasgow Grammar School. He also spent two years at a private school in England. In 1807, he went to Balliol College at Oxford University. He did very well in his studies and earned his first degree in 1811.

He was first planning to become a doctor. However, he changed his mind after leaving Oxford. In 1813, he became a lawyer in Scotland.

Becoming a Baronet

William spent much of his life studying and developing his own ideas about philosophy. He was able to prove that he belonged to an old family called Hamilton of Preston. In 1816, he took on the title of Baronet, which had not been used for a long time.

Becoming a Philosopher

Exploring German Ideas

William Hamilton visited Germany twice, in 1817 and 1820. These trips made him very interested in German language and philosophy. At that time, British universities did not pay much attention to German thinkers.

In 1820, he tried to become a professor of moral philosophy at the University of Edinburgh. However, he did not get the job.

Teaching History

In 1821, he became a professor of civil history. He taught about the history of modern Europe and literature. The salary for this job was not much, and it eventually stopped. Because of this, fewer students attended his classes, and he stopped teaching when the salary ended.

In 1827, his mother, whom he cared for deeply, passed away. In 1828, he married his cousin, Janet Marshall. Around this time, he moved to a new house in Edinburgh.

Later Life and Death

The grave of Sir William Hamilton, St Johns Church, Princes Street
The grave of Sir William Hamilton in Edinburgh.

Sir William Hamilton died on May 6, 1856. He was buried in St John's Episcopal Churchyard in Edinburgh. His son, Sir William Stirling-Hamilton, who became a general in the British Army, took over his title.

His Ideas and Influence

Understanding How We Think

Sir William Hamilton did not create many completely new ideas. However, he encouraged his students to think critically. He believed that understanding how our minds work (psychology) was very important. He also helped introduce German philosophy, especially the ideas of Immanuel Kant, to Britain.

One of his most important ideas was called "Philosophy of the Unconditioned." This idea suggests that the human mind has limits. We cannot fully understand things that are "infinite" or "absolute" (like endless time or space). He believed that to think about something means to put limits on it.

Faith and Knowledge

Hamilton thought that because our minds cannot fully grasp the infinite, there is a place for faith. He believed that faith helps us understand things that our logic cannot. He also thought that we naturally believe that objects exist outside of our minds, just as we see them.

Logic and Reasoning

Hamilton saw logic as a way of understanding how thoughts are connected, not as a way to discover new facts. He believed that logic helps us make sure our ideas are consistent.

He is also known for an idea called "quantification of the predicate." This is a complex idea in logic. It suggests that when we say "All A is B," we might mean "All A is *some* B" or "All A is *all* B." However, many later thinkers disagreed with this idea.

Studying Ancient Thinkers

Hamilton greatly admired the ancient Greek philosopher Aristotle. He studied Aristotle's works deeply. He also read many old and medieval writings about philosophy. He enjoyed finding forgotten thinkers and giving them credit for their ideas. He also studied modern German philosophy, even if he didn't always agree with it.

Beyond Philosophy

Sir William Hamilton was interested in many subjects, not just philosophy. He studied anatomy and how the body works. He also loved ancient and modern literature, especially from the 16th and 17th centuries. He had a large library, which later became part of the University of Glasgow's library.

Focus on Education

Hamilton was very interested in education, both as a teacher and a writer. He had strong ideas about how people should be taught. He believed in certain methods of education that became widely accepted. However, he famously did not think that studying mathematics was the best way to train the mind, which caused some debate. As a teacher, he was dedicated and successful. His writings about how universities should be organized had a big impact at the time.

His Published Works

After he died, his lectures were published as "Lectures on Metaphysics and Logic" in four volumes. His notes on the works of another philosopher, Thomas Reid, were also published. A book about his life, "A Memoir of Sir W. Hamilton," was written by John Veitch in 1869.

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