BaĆak Aray UniversitĂ© Paris I â PanthĂ©on-Sorbonne, EXeCO (PHICO) Efforts to establish an international auxiliary language (IAL) have a long history. Projects to overcome ethnic languages flourished in the 17th century Britain. Creators of these âphilosophical languagesâ (Descartes, Dalgarno, Wilkins,…