逻辑推理 (luó jí tuī lǐ) — logical reasoning; deduction (as a process of reasoning)

Definition

A fixed compound meaning 'logical reasoning' — the formal/technical term used in math, law, and science, as opposed to casual 思考 or 想法 (everyday 'thinking' / 'ideas').

noun
logical reasoningdeduction (as a process of reasoning)

Examples

  • 逻辑推理。
    Zhè ge shù xué wèn tí xū yào yùn yòng luó jí tuī lǐ.
    This math problem requires applying logical reasoning.
  • 逻辑推理，。
    Tā de luó jí tuī lǐ néng lì hěn qiáng, zǒng néng zhǎo dào wèn tí de guān jiàn.
    His logical reasoning ability is very strong; he can always find the crux of the problem.
  • 逻辑推理，。
    Lǜ shī de luó jí tuī lǐ fēi cháng yán jǐn, lìng rén xìn fú.
    The lawyer's logical reasoning is very rigorous and convincing.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

逻辑logic
逻luó辑jí
推理reason
推tuīinfer理lǐprinciple
动宾Verb + object

逻辑 names logic and 推理 means to reason through principles, so 逻辑推理 is reasoning by logic.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 邏; 逻 is its simplified writing.

Meaning part形符xíngfú
辶Written in full as辵chuòwalk
Sound part声符shēngfú
羅
羅luó邏luó
Same sound today

The traditional form 邏 combines 辶, meaning walk, with 羅 for the sound; the simplified 逻 is a later shorthand.

Open 逻 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 輯; 辑 is its simplified writing.

Meaning part形符xíngfú
車車jū
Sound part声符shēngfú
咠
咠qì輯jí
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 輯 pairs 車 (vehicle) with 咠, which gives the sound; the simplified 辑 is a later abbreviation.

Open 辑 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
扌Written in full as手shǒuhand
Sound part声符shēngfú
隹
隹zhuī推tuī
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

The left side 扌 is a hand, and the right side 隹 gives the sound; the character shows pushing with the hand.

Open 推 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
玉玉yùjade
Sound part声符shēngfú
里
里lǐ理lǐ
Same sound today

理 pairs 玉 (jade) with 里, which shows how to say it; the jade part points to the old sense of polishing jade.

Open 理 →

Browse more HSK 7-9 words or search the full 43,000-word dictionary.