Tautology
"Tautology" in Japanese
トートロジー
tōtorojī
(uncountable: redundant use of words)
トートロジー
tōtorojī
(expression that features tautology)
トートロジー
tōtorojī
(in logic)
同語反復
dōgo hanpuku
(uncountable: redundant use of words)
同語反復
dōgo hanpuku
(expression that features tautology)
恒真式
kōshin shiki
(in logic)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.