Name the principle: position and momentum cannot both be known exactly (Heisenberg)

The same question, asked 2 times: 9 May 2023 S1, 26 Apr 2025 S1. Every wording below, oldest first.

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Question 1
9 May 2023 S1
57 $Which of the following rules states that it is impossible to determine simultaneously the exact position and exact momentum of an electron?$
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Question 2
26 Apr 2025 S1
81 $"It is impossible to determine simultaneously the exact position and exact momentum of an electron." This statement is called$
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