Charles Seiyo Chihara (July 19, 1932 – February 16, 2020) was an American philosopher specializing in the

philosophy of mathematics The philosophy of mathematics is the branch of philosophy that studies the assumptions, foundations, and implications of mathematics. It aims to understand the nature and methods of mathematics, and find out the place of mathematics in people's ...

and

metaphysics Metaphysics is the branch of philosophy that studies the fundamental nature of reality, the first principles of being, identity and change, space and time, causality, necessity, and possibility. It includes questions about the nature of conscio ...

Early life and education

Born to Japanese-American parents in

Seattle Seattle ( ) is a seaport city on the West Coast of the United States. It is the seat of King County, Washington. With a 2020 population of 737,015, it is the largest city in both the state of Washington and the Pacific Northwest regio ...

, Chihara spent part of his youth in an

internment camp Internment is the imprisonment of people, commonly in large groups, without charges or intent to file charges. The term is especially used for the confinement "of enemy citizens in wartime or of terrorism suspects". Thus, while it can simply ...

during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. After graduating from

O'Dea High School O'Dea High School is a Catholic all boys high school founded in 1923 and is located in Seattle's First Hill neighborhood. The school is named after Edward John O'Dea who was bishop of Seattle when the school was built. O'Dea is a part of the Ar ...

, he earned a Bachelor of Science degree in mathematics from the University of Seattle, a Master of Science in mathematics from

Purdue University Purdue University is a public land-grant research university in West Lafayette, Indiana, and the flagship campus of the Purdue University system. The university was founded in 1869 after Lafayette businessman John Purdue donated land and money ...

, and a PhD in philosophy from the

University of Washington The University of Washington (UW, simply Washington, or informally U-Dub) is a public research university in Seattle, Washington. Founded in 1861, Washington is one of the oldest universities on the West Coast; it was established in Seattle a ...

Career

For most of his career, Chihara served as a member of the faculty of the Department of Philosophy at

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...

. In the philosophy of mathematics, Chihara is known for his work on

nominalism In metaphysics, nominalism is the view that universals and abstract objects do not actually exist other than being merely names or labels. There are at least two main versions of nominalism. One version denies the existence of universalsthings t ...

structuralism In sociology, anthropology, archaeology, history, philosophy, and linguistics, structuralism is a general theory of culture and methodology that implies that elements of human culture must be understood by way of their relationship to a broader ...

, and the

liar paradox In philosophy and logic, the classical liar paradox or liar's paradox or antinomy of the liar is the statement of a liar that they are lying: for instance, declaring that "I am lying". If the liar is indeed lying, then the liar is telling the truth ...

References

1932 births 2020 deaths 20th-century American mathematicians American philosophers 21st-century American mathematicians {{US-philosopher-stub University of California, Berkeley alumni Seattle University alumni Purdue University alumni University of Washington alumni Philosophers from Washington (state) Philosophers of mathematics American logicians Educators from Seattle