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Exercise 74 - Chapter 1
Recall the division ordering on \(\mathbb{N}\) from Example 1.29: we say that \(n \le m\) if \(n\) divides perfectly into \(m\) What is the meet of two numbers in this poset? What about the join?
Comments
The join is the least common multiple, and the meet is the greatest common divisor.
The join is the least common multiple, and the meet is the greatest common divisor.