合不攏的矛盾
核心畫面本身，以及兩個把它包起來用的固定說法。
logical inconsistency · noun · C2
A difference between two ideas, beliefs, or statements that means they cannot both be true at the same time.
矛盾
核心畫面
You can picture two claims put side by side and refusing to fit: if this one is true, that one cannot be. Contradiction is the name for that clash — usually the clash itself, sometimes the act of pointing it out.
可以想成兩個說法被擺在一起，怎麼擺都合不攏：這個成立，那個就不可能成立。contradiction 就是在替這個「合…更多收起
可以想成兩個說法被擺在一起，怎麼擺都合不攏：這個成立，那個就不可能成立。contradiction 就是在替這個「合不攏」命名——多半指那個衝突本身，有時候也指出聲把它點破的動作。From the word’s history
The noun of contradict, from Latin contradicere 'to speak against': contra 'against' + dicere 'to say'. The picture inside it is still two voices talking against each other.
是 contradict 的名詞形，來自拉丁文 contradicere「對著說」：contra「相對」＋ dicere「說」。字裡藏的畫面一直沒變：兩個聲音互相頂著，只是這個名詞把那個狀態整包裝起來當成一件事來講。
Online Etymology Dictionary, entry 'contradict', https://www.etymonline.com/word/contradict
Two branches
出聲否掉別人的話
從「兩句話互頂的狀態」轉成「有人去頂」的動作，比較接近 contradict 這個動詞本身。
act of contradicting · noun · C2
The act of saying that another person's opinion or statement is wrong or not true.
反駁；否定
原始詞典資料4 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
contradictionnoun/ˌkɒntɹəˈdɪkʃən/
- 1
The act of contradicting.
- His contradiction of the proposal was very interesting.
- 2
A statement that contradicts itself, i.e., a statement that claims that the same thing is true and that it is false at the same time and in the same senses of the terms.
- There is a contradiction in Clarence Page's statement that a woman should have the right to choose and decide for herself whether to have an abortion and at the same time she should not have that right.
- There is a contradiction in what you say: she can't be both married and single.
- 3
A logical inconsistency among two or more elements or propositions.
- Marx believed that the contradictions of capitalism would lead to socialism.
- 4
human-scienceslogicmathematicsA proposition that is false for all values of its propositional variables or Boolean atoms.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。