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In Vienna where did Kurt Gödel study?
At the age of 18, Kurt Gödel joined his brother in Vienna and entered the University of Vienna.
What year did Kurt Gödel start studying?
In 1924, Kurt Gödel aged 18 entered the University of Vienna.
What was Kurt Gödel's major, or field of study?
Kurt Gödel initially intended to study theoretical physics.

Question: Did he change to another field of study?
Self-contained rewrite: Did Kurt Gödel change to another field of study?