(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)(とお)らない。
That logic doesn't hold up.
論理的(ろんりてき)(かんが)える。
Think logically.
論理(ろんり)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)(とお)る: the logic holds up
  • 論理(ろんり)飛躍(ひやく)がある: there's a logical leap
  • 論理(ろんり)()()てる: to construct an argument
  • 論理(ろんり)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.