General Computer Science 320201 GenCS I & II Lecture ... - Kwarc

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instantiates, 52 instruction program, 154 instruction current, 153 integers infinite precision, 59 interface network, 194 internal cell, 178 Internet, 190 Internet Protocol, 195 interpretation function, 73 interpreter abstract, 49 intersection, 26 intersection over a collection, 26 invariants loop, 157 inverse function, 31 IP, 195 IP packet, 195 IPv4, 195 address, 195 Internet Protocol Version 4, 195 IPv6, 195 address, 195 Internet Protocol Version 6, 195 isomorphism graph, 118 iterator, 40 jump table, 162 Karnaugh-Veitch map, 88 key, 167 key, 218 key public ( certificate), 221 key private, 218 public, 218 key, 215 knowledge base, 265 KV-map, 88 label 281 expression, 124 label, 119 labeled formula, 106 labeled graph, 119 λ-notation, 30 Landau set, 78 language assembler, 154 language assembler, 152 language formal, 64 layer application, 197 layer transport, 196 leaf, 121 leak memory, 169 left folding operator, 40 lemma, 20 length, 120 lexical order, 64 LIFO, 158 linear order, 29 list variable, 75 Peano Axioms for L[N], 43 literal, 76 literal, 106 literal, 109 local search, 259 logic arithmetic ( unit), 146 logic sequential ( circuit), 147 logic arithmetic (unit), 146 logical reasoning, 20 system, 20 loop invariants, 157 MAC address, 194
media access control address, 194 Machine Turing, 185 machine, 157 virtual, 157 machine register, 152, 153 machine Turing ( specification), 185 management memory ( unit), 152 map Karnaugh-Veitch, 88 matcher, 52 matching pattern, 36 math idiom, 24 mathematical vernacular, 24 maze, 11 memory leak, 169 memory management unit, 152 microML, 170 minimal polynomial, 128 MMU, 154 MMU, 152, 153 model, 73 monomial, 76 monomial, 112 Morse code, 65 most significant bit, 139 multilingual basic ( plane), 69 multiplexer, 137 multiplication unary, 23 n-tuple, 26 name constant, 70 function, 70 variable, 70 named variable, 164 named function, 170 namespace 282 declaration, 225 natural unary ( numbers), 19 natural binary ( number), 139 navigating, 201 n-bit full adder, 134 full n-bit ( adder), 134 n-fold Cartesian product, 26 Cartesian n-fold ( product), 26 n-dim Cartesian space, 26 Cartesian n-dim ( space), 26 negative, 108 network interface, 194 network packet-switched, 193 packets, 193 NIC, 194 network interface controller, 194 node, 117 node, 116 node root, 13 node attribute, 225 element, 225 text, 225 nodes, 11 nonempty string, 63 normal conjunctive ( form), 77 disjunctive ( form), 77 normal conjunctive (form), 112 disjunctive (form), 112 number positional ( system), 130 number Fibonacci, 57 numbers hexadecimal, 154 object
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General Computer Science 320201 Gen
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Java programmer” on the practical
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Contents 1 Preface i 2 Representati
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4 Search and Declarative Computatio
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Fundamental Algorithms and Data str
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To earn an audit you have to take t
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i.e. to function as a member of the
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a factor two in speed. This ability
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“Applets, Not Craplets tm ” (-
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c○: Michael Kohlhase 17 Can be re
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Example 10 (Kruskal’s algorithm,
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n 100n µs 7n 2 µs 2 n µs 1 100
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2.2 Elementary Discrete Math 2.2.1
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Axiom 19 (P 1) “ ” (aka. “zer
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Theorem 36 is a very useful fact to
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Definition 43 The unary product ope
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y stating element-hood (a ∈ S) or
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Idea: We need a notion of “counti
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Example 64 On sets of persons, the
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Definition 82 We say that a set A i
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clean enough to learn important con
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Definition 90 anonymous variables (
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c○: Michael Kohlhase 66 Defining
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- fun both_plus (x:int,y:int) = fn
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+(〈n, o〉) = n (base) and +(〈m
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the axiom says that any object that
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epresent them as a data type, where
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Example 127 〈{N}, {[o: N], [s: N
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The central idea here is what we ha
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Substitutions Definition 149 Let A
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Idea: Well-formed parts of construc
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Other programming languages chose a
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generally: fn+1 := fn + fn−1 plus
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input/output: the interesting bit a
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exception NaN; (* Not a Number *) f
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Example 191 If A = {a, b, c}, then
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Example 210 The Morse Code in the t
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The first 32 characters are control
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Idea: Unicode supports multiple enc
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2.5 Boolean Algebra We will now loo
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What a mess! Iϕ((x1 + x2) + (x1
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c○: Michael Kohlhase 140 The defi
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(f ≤a g), iff there is an n0 ∈
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P.1.2.3 then there are ei ∈ Ebool
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2.5.4 The Quine-McCluskey Algorithm
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the disjunctive normal form, and th
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Proof: by contradiction: let p /∈
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So, the minimal polynomial of f is
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2.6 Propositional Logic 2.6.1 Boole
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Idea: Import semantics from Boolean
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which we can always do, since we ha
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e quite difficult to establish in g
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H 0 axioms are valid Lemma 316 The
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c○: Michael Kohlhase 188 The enta
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The deduction theorem and the entai
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Inference with local hypotheses [A
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2.7 Machine-Oriented Calculi Now we
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Thus the tableau procedure can be u
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A ∨ BT AT BT A ⇒ BT AF BT
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Proof: P.1 It is easy to see tahat
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(P ⇒ Q ⇒ R) ⇒ (P ⇒ Q) ⇒ P
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⎧ ⎪⎨ We represented the maze
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defined a directed graph to be a se
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Paths in Graphs Definition 373 Giv
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This allows us to view Boolean expr
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Computing with Combinational Circui
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Corollary 399 A fully balanced tree
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X 1 X 2 X 3 X n = if L i =X i if L
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3.2 Arithmetic Circuits 3.2.1 Basic
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S S ψ ψ −1 fS = ψ −1 ◦ fT
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The Full Adder Definition 415 The
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first summand 3 4 7 9 8 3 4 7 9 2 s
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c○: Michael Kohlhase 249 The anal
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Problems of Sign-Bit Systems Gener
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generate the n-bit binary number re
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and an + bn + (icn(a, b, c)) = 〈
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Summary: We have built a combinatio
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To understand the operation of the
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Example 443 (Address decoder logic
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3.4 Computing Devices and Programmi
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Our notion of time is in this const
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instructions LOADIN 1 and LOADIN 2
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Definition 457 An ASM program VM is
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instruction effect VPC peek i push
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c○: Michael Kohlhase 289 With the
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Imperative Stack Operations: peek l
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A SW program (see the next slide fo
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arguments to arithmetic operations
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µML, a very simple Functional Prog
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call pushes the return address (of
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[proc 2 26, con 0, arg 2, leq, cjp
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[proc 2 26, con 0, arg 2, leq, cjp
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eturn takes the current frame from
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label instruction effect comment
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Compiling µML Expressions (Continu
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c○: Michael Kohlhase 325 We want
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State Machine: 1 1,R 1 1,R 1 1,L 1
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The coded description acts as a pro
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the turing function uses will_halt
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Terabyte (T B) 1,000,000,000,000 by
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Layers in TCP/IP: TCP/IP uses encap
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name comment 4 version IPv4 or IPv6
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Domain names must be registered to
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That was almost all, but we close t
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c○: Michael Kohlhase 353 Note tha
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Definition 529 HTTP is used by a cl
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structure html,head, body metadata
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Server-Side Scripting: Programming
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c○: Michael Kohlhase 367 Indeed,
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presentation tools), but can also i
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1. reads web page 2. reports it hom
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Definition 570 Let A be a web page
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can combine both to falsify communi
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Candidates for one-way/trapdoor fun
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on a UNIX system, you can create a
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conceptually: transfer of directed
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Definition 591 The XML path languag
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Resources: Globally Identified by U
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Page 239 and 240: Problem solving Problem: Find algo
Page 241 and 242: Single-state Problem: Start in 5
Page 243 and 244: States integer locations of tiles A
Page 245 and 246: Implementation: States vs. nodes A
Page 247 and 248: Breadth-First Search c○: Michael
Page 249 and 250: Breadth-First Search: Romania c○:
Page 251 and 252: Note: Equivalent to breadth-first s
Page 253 and 254: A B C D E F G H I J K L M N O Depth
Page 255 and 256: A B C D E F G H I J K L M N O Depth
Page 257 and 258: Iterative deepening search Depth-l
Page 259 and 260: Breadth-first search Iterative deep
Page 261 and 262: Sibiu 253 Greedy Search: Romania Ar
Page 263 and 264: P.2 Let n be an unexpanded node on
Page 265 and 266: A ∗ search: Properties Complete Y
Page 267 and 268: Definition 618 (n-queens problem) P
Page 269 and 270: escape certain odd phenomena occurr
Page 271 and 272: GAs = evolution: e.g., real genes e
Page 273 and 274: Definition 632 A query is a list of
Page 275 and 276: (autoload ’run-prolog "prolog" "S
Page 277 and 278: Example 638 Computing the the n th
Page 279 and 280: Deduction: knowledge extension Abd
Page 281 and 282: [Koh06] Michael Kohlhase. OMDoc - A
Page 283 and 284: astarSearch search, 255 asymmetric-
Page 285 and 286: infinite, 32 counter program, 152,
Page 287: functional variable, 170 gate, 122
Page 291 and 292: procedure abstract, 54 procedure de
Page 293 and 294: function, 30 spanning tree, 13 spro
Page 295: name, 70 variable functional, 170 v
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General Computer Science 320201 GenCS I & II Lecture ... - Kwarc

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