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Day 3 Clip 1

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Videography by QGM PhD students video team troubleshooting

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0:18:16 [add] Ribbon singularities and clasp singularities.
0:24:15 [add] Algebraic topology.
0:37:23 [add] Using the axiom of choice.
0:51:50 [add] An exercise on deframing.
0:52:04 [add] An exercise on deframing (2).