RARE book by the renowned Mexican philosopher and jurist Eduardo Garcia Maynez (1908-1993). 220x150mm. 197 pages. Grey paperback. Cover worn and wrinkled. Cover edges tattered, corners bumped. Spine creased and worn. Spine front hinge partly detached from cover. Sticker and pen inscription on whitepage upper edge and corner. Binding somewhat curved. Binding slightly loose and visible between front inner cover and whitepage. Pages slightly yellowing and rough-cut as published. [SUMMARY]: This rare and important study on juridical logic is in good reading condition.