On the other hand, we consider that dreams do not last that long and tend to be images that are impossible to believe even in the context of sleep itself, e.g. ; when we dream that we are flying, when we dream that we are invisible, or when we see ourselves doing magic tricks. Just to name a few. Meanwhile, it can be said that Descartes could have chosen option “a” to be a little more realistic, in the sense that a person could have experienced events in real life previously experienced in sleep (precognitive dreams). Something that happens to many people throughout their lives. life. In contrast to the above, how can we know that Descartes gives any real meaning to the word dream? of course, here we must ignore the question of Descartes never doubting the meaning of the words he uses to build his doubts, because what guarantee is it that Descartes is not dreaming every time he uses his words? And here it would not be a memory that Descartes says he uses words in the same way forever, because his memory could also be a dream, a memory that is part of a dream. And, if so, everything he said could be a