명제와 조건 연습문제 — Sundstrom, Mathematical Reasoning · 1.1절 · 9b번

Sundstrom, Mathematical Reasoning · 1.1절 · 9b번영어 원문

Using what you learned in this section, answer the following.

Is the set of rational numbers closed under division?

정답·풀이 보기 (영어 원문)

The set of rational numbers is not closed under division since division by zero is not defined.

한 번 더 — 비슷한 문제Sundstrom, Mathematical Reasoning · 1.1절 · 2c번영어 원문

Identify the hypothesis and the conclusion for each of the following conditional statements.

If $p$ is a prime number, then $p = 2$ or $p$ is an odd number.

다 풀었으면 정답 확인

Hypothesis: $p$ is a prime number

Conclusion: $p = 2$ or $p$ is an odd number.

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