- Traditional Chinese Character(HanT):
逆定理
- Simplified Chinese Character(HanS):
逆定理
- Bopomofo(Mandarin Phonetic Symbols): ㄋㄧˋ ㄉㄧㄥˋ ㄌㄧˇ (ㄋㄉㄌ)
- Bopomofo(Zhuyin Keyboard Input/IME): su42u/4xu3
- (ASCII) Hanyu Pinyin: "nidingli" "Ni4Ding4Li3" "Ni4 Ding4 Li3" (NDL)
- (Latin) Hànyǔ Pīnyīn: NìDìngLǐ [ Nì Dìng Lǐ ]
- (英文翻譯) English Translation: "Converse theorem"
- (西語翻譯) Traducción Español: "teorema inverso"
- (日文翻譯) 日本語翻訳: "逆定理"