There are numerous errors in both his lectures and notes. Most of my time is spent trying to decipher his mistakes and comprehend what seems impossible to understand. Often, when he couldn't prove a theorem in class, he would either alter the theorem itself (yes, seriously) or abruptly end the session. His midterm grading rubric is absurd, deducting more than half the points for minor mistakes on all tests. Consequently, he failed at least 5 out of 30 students in the class (placing the median in the C range). Instead of taking responsibility, he blames these students, suggesting they drop the course to salvage the class median. His arrogance and lack of concern for student learning are evident in his attitude. Frankly, I fail to comprehend why he chose to teach at UCLA; it feels like he's more interested in tormenting students than educating them. Ultimately, I struggle to identify any meaningful gain from this class, except for learning to steer clear of such individuals for personal well-being. See you never Peter :)