logic

論理

何が正しいか、どう問題を解くかを、順序立てて慎重に考える方法。

やさしい英語で： A way of thinking carefully through steps to decide what is true or how to solve a problem.

• Use logic to solve the puzzle.
• Her argument was based on sound logic.
• I could not follow the logic of his explanation.

類義語： reasoning

よく使う表現： use logic, sound logic, follow the logic

論理、考え方

人や集団の考えるやり方、または決定や行動のもとになる理由。

やさしい英語で： The way a person or group thinks, or the reasons behind a decision or action.

• I understand her logic.
• What is the logic behind this rule?
• By his logic, spending more will somehow save money.

使い方： the logic behind something (I understand the logic behind your decision.)

類義語： reasoning, rationale

よく使う表現： someone’s logic, logic behind something, business logic

論理学、数理論理学

数学の文の真偽や推論の妥当性を確かめる、厳密な規則を研究する分野。

やさしい英語で： The study of exact rules used to show whether mathematical statements and arguments are true.

• She studies mathematical logic.
• The course introduces symbols used in formal logic.
• Researchers use logic to examine the foundations of mathematics.

よく使う表現： mathematical logic, formal logic, study logic