명제와 조건 연습문제 — Sundstrom, Mathematical Reasoning · 2.4절 · 4e번

Sundstrom, Mathematical Reasoning · 2.4절 · 4e번영어 원문

Write each of the following statements as an English sentence that does not use the symbols for quantifiers.

$\left( {\exists n} \in \mathbb{Z} \right)\left( {\forall m} \in \mathbb{Z} \right)\left( {m^2 > n} \right)$

정답·풀이 보기 (영어 원문)

There exists an integer $n$ such that for each integer $m$ , $m^2 > n$ .

한 번 더 — 비슷한 문제Sundstrom, Mathematical Reasoning · 2.1절 · 1번영어 원문

Suppose that Daisy says, “If it does not rain, then I will play golf.” Later in the day you come to know that it did rain but Daisy still played golf. Was Daisy's statement true or false? Support your conclusion.

다 풀었으면 정답 확인

The statement was true. When the hypothesis is false, the conditional statement is true.

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