Alfred Tarski

High school (ages 12+)
Mathematics & Numbers

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Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/alfred-tarski

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. When was Alfred Tarski born?November 30, 1891
2. When did Alfred Tarski die?October 26, 1983 (age 91)
3. Where was Alfred Tarski born?Warsaw, Poland
4. What did Alfred Tarski study when he was young?He studied philosophy and mathematics at the University of Warsaw, and he also liked biology and even thought about becoming a biologist.
5. Why is Tarski famous for his truth theory?He created a rule that a sentence is true exactly when it matches what it says, which solved old puzzles about truth.

Semantic Theory of Truth: A formal definition of truth where a sentence is true if and only if it corresponds to a fact in the world.
Formal Language: A language consisting of symbols and rules designed for precise expression, often used in logic and mathematics.
Undecidability: The property of certain mathematical or logical problems for which no general algorithm exists to determine a solution.
Computability Theory: A branch of theoretical computer science that deals with what can be computed by an algorithm.