This monograph, "The confrontation of ideas in dialogue form in medieval literature and its echoes in the Renaissance", explores the significance of debate as a literary genre in the Middle Ages, considering its evolution and continuity in the Renaissance through dialogue. This volume brings together studies that address various aspects of debate literature, such as its possible origins, the different textual traditions in which it is embedded, and, ultimately, the set of characteristics that define it as a distinct genre. In line with this concept, exhaustive analyses are proposed of canonical texts, such as Razón de amor con los denuestos del agua y el vino and the poem Elena y María, but attention is also given to other works, some even unpublished, such as Debate de los órganos (Hebrew) and Debate entre el albaricoque y la mora (Arabic). Furthermore, recurrent themes such as the confrontation between the soul and the body, or the struggle between arms and letters, are examined. Similarly, the echoes and reminiscences of these texts in Renaissance dialogue are explored, highlighting how they were read, reinterpreted, and transformed in the sixteenth century. In doing so, the monograph offers new perspectives on the evolution of dialogic discourse and its influence on the construction and transmission of humanist thought.