 Solution

ID: past-exam-of-the-year-1-of-the-computer-science-course-of-the-university-of-oxford/2019/digital-systems-linear-algebra-introduction-to-formal-proof-resit/5/a/i/solution

True. The rank-nullity theorem gives

dim N (A) = n - r = 0

. The only vector in this zero-dimensional kernel of a linear map is the zero vector.

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