Ah, this is about the different Real Analysis flavours at MIT. I am actually working through 18.100A online myself after my cab shifts. The ‘A’ and ‘B’ are the main lecture tracks, while ‘P’ and ‘Q’ are smaller discussion sections—but for survival, the key is to do every problem yourself, like learning a new route without a map.
You survive by treating each proof as a small, careful repair on your engine. I keep a notebook in my cab and scribble ideas between rides. The obvious advice is to form study groups, but for a man my age, it is the quiet, repeated practice alone that finally makes the logic click, like the rhythm of a familiar road.
#exams#study
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