As soon as you rely on this crutch, you are virtually obliged to base your teaching on clichés that never go beyond ideological buzzwords, using illustrations of strictly anecdotal value and bullet lists that reduce ideas to a brutal hierarchy of simplistic slogans. Finally, sentences themselves are disappearing from the university along with the logical connections, subtle relations, paradoxes, and nuances they allow. The diagrammatic quality of PowerPoint materials plunges the mind into a tangle of incomprehensible codes. What is the real meaning, for instance, of the boxes in which entire
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