論 理(ろんり)

ろんり

noun

logic; reasoning

1. logic; reasoning; rationale

The principles of valid reasoning and argumentation. The systematic study of correct inference.

その論理(ろんり)は通(とお)らない。

That logic doesn't hold up.

論理的(ろんりてき)に考(かんが)える。

Think logically.

論理(ろんり)に飛躍(ひやく)がある。

There's a logical leap in the argument.

論理(ろんり) refers to the principles of correct reasoning and the structure of arguments. Used in academic, philosophical, and everyday contexts when discussing whether reasoning makes sense.

COMMON PATTERNS:

論理的(ろんりてき)に: logically
論理(ろんり)が通(とお)る: the logic holds up
論理(ろんり)に飛躍(ひやく)がある: there's a logical leap
論理(ろんり)を組(く)み立(た)てる: to construct an argument
論理(ろんり)が破綻(はたん)する: the logic falls apart

RELATED TERMS:

論理学(ろんりがく): logic (academic field)
論理性(ろんりせい): logicality
非論理的(ひろんりてき): illogical

CONTRAST:
理屈(りくつ) also means "logic/reasoning" but often carries a negative nuance of being overly theoretical or argumentative, while 論理(ろんり) is neutral and academic.

Related Words

Contrast: 理論(りろん) (theory (vs logic))

general

Added 2026.1.17 6:25 · Revised 2026.6.11 6:51

06000/06026_ronri