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01:21:36 ECS20 - W22 - Lecture 5 (3T): Proofs ECS20 - W22 - Lecture 5 (3T): Proofs	ECS20 - W22 - Lecture 5 (3T): Proofs Online lecture from 1/19/2022. Sundry proofs, chosen to illustrate recurring ideas and themes. I had prepared 11 examples, and we got through 8 of them. Also included some general comments on… proofs contradiction assume contrapositve tic-tac-toe cases clever natural counterexample exist rigor proof problem root thing men numbers partners balls face claim problems card triangle times kind point things half From Phil Rogaway 0 likes 132 plays 0
01:22:02 ECS20 - W22 - Lecture 4 (2R): Logic 3 ECS20 - W22 - Lecture 4 (2R): Logic 3	ECS20 - W22 - Lecture 4 (2R): Logic 3 Building a circuit for adding two 64-bit values. Tautologies. A formal system for proving theorem. The completeness and soundness theorems for sentential logic. Adding quantifier: first-order… circuit adder tautology formal proofs completeness soundness first-order logic formula truth logic table bit proof kind universe phi assumptions statement variables carry statements axioms function english symbol From Phil Rogaway 0 likes 156 plays 0
47:08 ECS 289M Winter Quarter 2022 Lecture for Jan 5 ECS 289M Winter Quarter 2022 Lecture for Jan 5	ECS 289M Winter Quarter 2022 Lecture for Jan 5 Lecture for January 5, 2022 of ECS 289M, Research in Computer Security Chat: 00:50:53 Greesan Gurumurthy: yes01:06:26 Karan Mehta: Wanted to know if the classes are going to be inperson from next… paper things access error machine password person process problem computer idea machines lot fact monitor principle proofs login thing root From Matthew Bishop 0 likes 10 plays 0
32:30 2021-12-03: Cutgeneratingfunctionology 2021-12-03: Cutgeneratingfunctionology	2021-12-03: Cutgeneratingfunctionology Videos and all other materials are copyright 2021 Matthias Köppe and shared as Open Educational Resources subject to the Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)… functions function proof things problem cuts families space geometry linear integer problems kind stuff thing proofs subadditivity branch techniques solutions From Matthias Koeppe 0 likes 9 plays 0
05:55 ECS 220 6c:7.2-2 From undecidable problems to… ECS 220 6c:7.2-2 From undecidable problems to unprovable truths	ECS 220 6c:7.2-2 From undecidable problems to unprovable truths statement rules proof axioms inference statements proofs contradiction reasoning thing systems hilbert 30s bit answer algorithm string kind negation properties From David Doty 0 likes 22 plays 0
05:09 ECS 220 5a:6.4-1 oracles and relativized worlds ECS 220 5a:6.4-1 oracles and relativized worlds	ECS 220 5a:6.4-1 oracles and relativized worlds language impossibility oracle programs result proofs sat instruction algorithm subroutine thing problem programming words barrier science computer np sap steps From David Doty 0 likes 43 plays 0
08:37 ECS 220 4b:6.1-2 relation of NP to finding… ECS 220 4b:6.1-2 relation of NP to finding mathematical proofs	ECS 220 4b:6.1-2 relation of NP to finding mathematical proofs proof problem proofs statement problems np optimization mathematics angle steps computer reasons machine algorithm question rules geometry understanding evidence kepler From David Doty 0 likes 26 plays 0
05:22 ECS 220 1c:4.1 needles and haystacks ECS 220 1c:4.1 needles and haystacks	ECS 220 1c:4.1 needles and haystacks path algorithm problem np proof answer graph level question definition input decision class proofs subset step solution problems instance instances From David Doty 0 likes 52 plays 0
05:30 ECS 120 5b:1 pumping lemma for regular languages ECS 120 5b:1 pumping lemma for regular languages	ECS 120 5b:1 pumping lemma for regular languages lemma length symbols dfa proof languages lines integers p. language proofs idea subroutine parts thing function tax lot words piece From David Doty 1 likes 108 plays 0