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From David Doty March 21, 2021
350 | 09:09duration 9 minutes 9 seconds
ECS 120 10b:3 diagonalization to show the halting…
ECS 120 10b:3 diagonalization to show the halting problem is undecidable
36 | 08:16duration 8 minutes 16 seconds
ECS 220 4c:6.3-2 definition of artificial problem…
ECS 220 4c:6.3-2 definition of artificial problem Catch22
435 | 08:28duration 8 minutes 28 seconds
ECS 120 9b:1 acceptance problem is undecidable
522 | 15:57duration 15 minutes 57 seconds
ECS 120 9a:3 no-input halting problem is…
ECS 120 9a:3 no-input halting problem is undecidable
640 | 07:38duration 7 minutes 38 seconds
ECS 120 9b:2 empty language problem is undecidable
271 | 06:47duration 6 minutes 47 seconds
ECS 120 9b:3 rejecting problem is undecidable
65 | 13:20duration 13 minutes 20 seconds
ECS 220 6a:7.2-2 countability and diagonalization
130 | 08:46duration 8 minutes 46 seconds
ECS 220 6b:7.2-2 showing problems are undecidable…
ECS 220 6b:7.2-2 showing problems are undecidable by reduction from halting problem
31 | 05:26duration 5 minutes 26 seconds
ECS 220 6c:7.2-4 Gödel’s…
ECS 220 6c:7.2-4 Gödel’s Incompleteness Theorem (consistency)
360 | 03:14duration 3 minutes 14 seconds
ECS 120 9a:4 recipe for showing undecidability
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