Is there a direct logical conflict between the premise and the hypothesis? Premise: It began in medieval Europe, and in the late 20th century it is everywhere in the world. Hypothesis: It had disappeared by the late 20th century, after having begun in medieval Asia.
It began in medieval Europe, and in the late 20th century it is everywhere in the world.###It had disappeared by the late 20th century, after having begun in medieval Asia.