Lojban (IPA ) is a constructed human language based on predicate logic.
Loglan James Cooke Brown Constructed language Lexical category Sapir–Whorf hypothesis Engineered language Predicate logic International auxiliary language Universal Networking Language Dutton Speedwords Noun adjunct Chrestomathy A priori (languages) Chinese language Triphthong The Lord's Prayer Láadan Phonotactics Yacc Attitude Simplicity Khalil Gibran Lexeme Consonant cluster Linguistic typology Colossal Cave Adventure Toki Pona Raymond Carver Subject Verb Object Subject Object Verb Root (linguistics) Language acquisition Xkcd Arabic literature Parliamentary procedure Ambrose Bierce Allophone Isomorphism Creative writing Diphthong