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ECS20 - W22 - Lecture 3 (2T): Logic 2 duration 1 hour 20 minutes ECS20 - W22 - Lecture 3 (2T): Logic 2 ECS20 - W22 - Lecture 3 (2T): Logic 2	ECS20 - W22 - Lecture 3 (2T): Logic 2 Review (particularly of functional completeness). More boolean operators: IMPLIES, IFF, XOR, NAND, NOR. Gates and circuits. A formal treatment of boolean formulas: syntax, truth assignments, and… boolean operators implies xor iff truth assignment truth table equivalence functional completeness nand nor gate circuit truth formula symbols symbol phi parentheses table formulas operators meaning values function assignment operator From Phil Rogaway 0 likes 192 plays 0
ECS20 - W22 - Lecture 2 (1R): Logic 1 duration 1 hour 20 minutes ECS20 - W22 - Lecture 2 (1R): Logic 1 ECS20 - W22 - Lecture 2 (1R): Logic 1	ECS20 - W22 - Lecture 2 (1R): Logic 1 Familiar sets and operators on them. The boolean domain and basic operators on booleans (AND, OR, NOT). Representing numbers in binary, and in other bases. Can you represent anything you care about… boolean logic operators logical operators values truth numbers operator table function thing integers notation symbol representation things base negation word digits variables kind formula From Phil Rogaway 0 likes 154 plays 0
ECS 220 5c:6.6 why is it hard to prove P neq NP duration 7 minutes 50 seconds ECS 220 5c:6.6 why is it hard to prove P neq NP ECS 220 5c:6.6 why is it hard to prove P neq NP	ECS 220 5c:6.6 why is it hard to prove P neq NP statement algorithm clique proof problems algorithms np star size circuits circuit reason instance fact sat end threshold boolean instances gates From David Doty 0 likes 27 plays 0
ECS 220 4c:6.3-2 definition of artificial problem… duration 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	ECS 220 4c:6.3-2 definition of artificial problem Catch22 problem input catch-22 steps source diagonalization programs output inputs definition length boolean decision function answer technique times halts shortcuts g. From David Doty 0 likes 30 plays 0
JoVE searching duration 4 minutes 45 seconds JoVE searching JoVE searching	JoVE searching This is an introduction on how to find content on JoVE: 1) on the JoVE website for newest content2) on PubMed to search journal; "j vis exp" and enter search terms3) also discoverable on… jove journal of visual experiments j vis exp library pubmed scopus web of science journal job experimentation science implantation pig guinea experiments databases title access resource fields discipline publication author database boolean From Erik Fausak 0 likes 62 plays 0
How to Search a database or search engine duration 6 minutes 20 seconds How to Search a database or search engine How to Search a database or search engine	How to Search a database or search engine Learn the basics of the language of searching - Boolean. Please take this survey search engines world wide web portals words (linguistics) language library tutorial database searching owners of domestic animals and pets search engine diarrhea computing & information technology semantic search natural languages communications boolean service dog databases keywords semantic web technologies pet animals From kgroup_libraryinsobj 0 likes 289 plays 0