contradictory

矛盾する、食い違う

他の情報と食い違い、両方が正しいとは言えない様子。

やさしい英語で： Giving information that disagrees with something else, so both cannot be right.

• The witnesses gave contradictory accounts.
• We received contradictory advice from two doctors.
• These reports contain contradictory information about the accident.

類義語： conflicting, inconsistent

反対語： consistent

よく使う表現： contradictory evidence, contradictory statements, contradictory accounts

自己矛盾した、つじつまの合わない

含まれる考えや部分が、すべて正しいとは言えず、つじつまが合わない様子。

やさしい英語で： Containing ideas or parts that cannot all be true or fit together.

• His explanation was internally contradictory.
• A square circle is a contradictory idea.
• The report makes a contradictory claim about its own results.

類義語： self-contradictory, inconsistent

反対語： consistent

よく使う表現： internally contradictory, contradictory argument, contradictory statement

相反する、正反対の

目的や性質、信念などが、別のものと完全に反対である様子。

やさしい英語で： Completely opposed to something else in aim, character, or belief.

• The two groups had contradictory aims.
• Her actions were contradictory to her beliefs.
• The committee struggled to balance contradictory interests.

使い方： contradictory to something (His actions were contradictory to his stated principles.)

類義語： opposed, opposing, contrary

反対語： compatible

よく使う表現： contradictory aims, contradictory interests, contradictory to something

両立しない、相互排他的な

二つが同時に正しかったり、実現したりすることができない様子。

やさしい英語で： Unable to be true or possible at the same time.

• The two conditions are contradictory.
• Mutually contradictory statements cannot both be true.
• The rules impose contradictory requirements on applicants.

類義語： mutually exclusive, incompatible

反対語： compatible

よく使う表現： contradictory propositions, mutually contradictory, contradictory conditions

矛盾命題、否定命題

別の命題が真なら必ず偽、偽なら必ず真となる命題。

やさしい英語で： A statement that must be false if another is true, and true if the other is false.

• Every proposition has a contradictory.
• If the statement is true, its contradictory is false.
• The students identified the contradictories of three propositions.

使い方： the contradictory of something (The contradictory of this proposition is its negation.)

類義語： negation

よく使う表現： the contradictory, contradictory of something, a logical contradictory