%0 Journal Article %A Bonotto, C. %A Bressan, A. %T On a synonymy relation for extensional 1st order theories. Part III. A necessary and sufficient condition for synonymy %J Rendiconti del Seminario Matematico della Università di Padova %D 1984 %P 1-13 %V 71 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_1984__71__1_0/ %G en %F RSMUP_1984__71__1_0