Search for tag: "symbol"

smaw

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From  Calissa Levy 0 likes 1 plays 0  

Some ideas for math club

Pascal's triangle, Golden Ratio, Measuring pi

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From  Joseph Biello 0 likes 18 plays 0  

ECS20 - W22 - Lecture 12 (6R): Induction and Recursion 1

Lecture 2022-02-10. The language of number theory, and the Peano axioms for it. The last axiom: the principle of mathematical induction. Different forms of it. Using induction for establishing…

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From  Phil Rogaway 0 likes 137 plays 0  

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…

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From  Phil Rogaway 0 likes 169 plays 0  

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…

From  Phil Rogaway 0 likes 193 plays 0  

ECS 235B Winter Quarter 2022, Lecture 2

Lecture 2, on January 5, 2022 of ECS 235B, Foundations of Computer and Information Security

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From  Matthew Bishop 0 likes 48 plays 0  

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…

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From  Phil Rogaway 0 likes 157 plays 0  

ECS 120 5a:2 definition of separating extension and L-equivalence

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From  David Doty 0 likes 176 plays 0  

ECS 220 8a:8.1-2 space-bounded complexity classes L and PSPACE

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From  David Doty 0 likes 42 plays 0  

ECS 220 7c:7.5-1 Turing's applied philosophy

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From  David Doty 0 likes 21 plays 0  

ECS 220 6a:7.2-1 programming languages with interpreters have non-halting programs

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From  David Doty 0 likes 46 plays 0  

ECS 220 3a:5-5.2 circuit to simulate Turing machine, Witness-Existence reduces to Circuit-SAT

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From  David Doty 0 likes 76 plays 0  

ECS 120 8a:3 introduction to NP-completeness and Boolean formulas

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From  David Doty 0 likes 310 plays 0  

ECS 120 6a:3 single-tape TMs can simulate multitape TMs

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From  David Doty 1 likes 401 plays 0  

ECS 120 5c:4 formal definition of TM semantics

errata: At 4:38, I incorrectly said and wrote that L,R,S correspond to +1, -1, and 0. They correspond to -1, +1, and 0, i.e., moving left (L) decrements (-1) the tape head position, and moving right…

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From  David Doty 1 likes 289 plays 0  

ECS 120 5c:3 formal definition of TM syntax

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From  David Doty 1 likes 309 plays 0