同どう一いつ律りつ

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う

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つ

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つ

Meanings

1

noun

logic

In logic, the principle that a thing is the same as itself (A = A). Used in formal contexts.

矛む盾じゅん律りつ
The law of non-contradiction, another fundamental logical principle, stating that contradictory statements cannot both be true.
排はい中ちゅう律りつ
The law of excluded middle, stating that for any proposition, either it or its negation is true.

Compound of 同一 (identity) and 律 (law, rule). A direct translation of the Western logical term.