충분조건과 필요조건 연습문제 — Sundstrom, Mathematical Reasoning · 2.1절 · 9d번

Sundstrom, Mathematical Reasoning · 2.1절 · 9d번영어 원문

Let $P$ stand for “the integer $x$ is even,” and let $Q$ stand for “ $x^2$ is even.” Express the conditional statement $P \to Q$ in English using

The phrase “is necessary for”

정답·풀이 보기 (영어 원문)

For the integer $x$ to be even, it is necessary that $x^2$ be even.

한 번 더 — 비슷한 문제Sundstrom, Mathematical Reasoning · 2.1절영어 원문

Recall that a quadrilateral is a four-sided polygon. Let $S$ represent the following true conditional statement:

If a quadrilateral is a square, then it is a rectangle.

Write this conditional statement in English using

the phrase “is sufficient for”

다 풀었으면 정답 확인

Being a square is sufficient for a quadrilateral to be a rectangle.

이 문제로 이어서 풀기

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