명제와 조건 연습문제 — Sundstrom, Mathematical Reasoning · 2.2절 · 3a번

Sundstrom, Mathematical Reasoning · 2.2절 · 3a번영어 원문

Write a useful negation of each of the following statements. Do not leave a negation as a prefix of a statement. For example, we would write the negation of “I will play golf and I will mow the lawn” as “I will not play golf or I will not mow the lawn.”

We will win the first game and we will win the second game.

정답·풀이 보기 (영어 원문)

We will not win the first game or we will not win the second game.

한 번 더 — 비슷한 문제Sundstrom, Mathematical Reasoning · 2.1절 · 11a번영어 원문

For statements $P$ and $Q$ , use truth tables to determine if each of the following statements is a tautology, a contradiction, or neither.

$\neg Q \vee (P \to Q)$ .

다 풀었으면 정답 확인

$\neg Q \vee (P \to Q)$ is a tautology.

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