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Авторизация |
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Поиск по указателям |
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Barwise J., Etchemendy J., Allwein G. — Language, Proof and Logic |
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Предметный указатель |
501
415
415
412
228 230—231
Elim 348
Intro 347
228 230
Elim 342
Intro 343
37 406
181
Elim 209
Intro 209
54 142 342
215 470
532
498
68
Elim 155 161
Intro 155
68
137 155 157
Elim 159
Intro 156
7
413
178
Elim 206
Intro 206
470
74
Elim 150
Intro 148
71
Elim 143
Intro 144
429
= 25 37
= Elim 50 51 56
= Intro 50 51 55
Absolute complement 419 440
AC 436
Aczel, Peter 441 465
Addition 129
AFA 441
Affirming the consequent 203 212
Alternative notation 40 66 89 90 196 255—256
Ambig-wffs 444
Ambiguity 4 79 307
Ambiguity and context 304
Ambiguity and inference 308
Ana Con 60 61 114 115 158 272 286
Analytic consequence 60
Antecedent of a conditional 178
Antecedent of a conditional, strengthening 203 212
Anti-foundation axiom 441
Antisymmetry 422
Appropriate variable assignment 501
Arbitrary individual 348
Argument 41 44
Argument of a predicate 21
Argument, sound 43 44 140
Argument, valid 42 44 140
Aristotelian forms 239—242
Aristotle 3 239
Arithmetic, first-order language of 38
Arity 21 23 25
Arity of function symbols 33
Artificial language 2—4
Associativity of 118
Associativity of 118
Assumption for conditional proof 200
Assumption for existential instantiation 322
Assumption for general conditional proof 324 343
Assumption for indirect proof 136
Assumption for proof by cases 132
Asymmetry 422
Atomic sentences 19 23 23 25 32
Atomic wff 228—229 231
Automated theorem proving 312
Axiom, Anti-foundation 441
Axiom, Choice 436
Axiom, comprehension 406 409 408—410 433 435
Axiom, Extensionality 407 406—408 435
Axiom, Infinity 436
Axiom, Powerset 436
Axiom, Regularity 436 440 441
Axiom, Replacement 436
Axiom, Separation 435
Axiom, union 435 440
Axiom, Unordered Pair 435
Axiomatic method 283 287 288
Axiomatic method and presuppositions 287
Axioms 47 288
Axioms of Peano arithmetic 456—457
Axioms of set theory 435
Axioms, shape 285 338—340
Axioms, shape, completeness of 512
Background assumptions 287
Barber paradox 333 362
Base clause of inductive definition 444 445
Basis of proof by induction 449
BETWEEN 25
Biconditional 181 198
Biconditional elimination 199 209
Biconditional introduction 209
Binary function symbol 33
Binary relation symbol 308
Binary truth-functional connective 190
Boole 5—10 100
Boole, George 67
Boolean searches 91
Boolos, George 555
Bound variable 232 282
Boxed constant 343 347
Cancellability test 188
Cantor, Georg 406 437 467
Carroll, Lewis 268
Cartesian product 421 440
Cases, proof by 131—134
Chain of equivalences 120 128
Claim 24
Claim, inherently vacuous 246
Clause for resolution 488
Clause, empty 489 524
CNF 124
Commitment 79
Commitment in game 77 78
Commutativity 146
Commutativity of 119
Commutativity of 119
Compactness Theorem for first-order logic 527 548
Compactness Theorem for propositional logic 477
Complete deductive system 214 219 361
Complete set of axioms 338
Complete truth-functionally 190 193
Completeness of resolution 491
Completeness theorem 219 526
Completeness Theorem for first-order logic 527
Completeness Theorem for propositional logic 470
Completeness Theorem for propositional logic, reformulation of 472
Completeness Theorem, use of 220
Complex noun phrase 243
Complex term 32 34
Con procedures in Fitch 61
Conclusion 41 44
Conditional 176 178 198 398
Conditional antecedent of 178
Conditional antecedent of strengthening 203 212
| Conditional consequent of 178
Conditional consequent of affirming 203 212
Conditional consequent of strengthening 203 212
Conditional consequent of weakening 203 212
Conditional contrapositive of 199
Conditional elimination 198 206
Conditional introduction 206
Conditional proof 199 203 206
Conditional proof, general 323 329 442
Conjunction 67 71 129
Conjunction, elimination 129 143
Conjunction, introduction 129 144
Conjunctive normal form (CNF) 121—125 479
Connectives, truth-functional 67 93 177
Connectives, truth-functional, binary 190
Connectives, truth-functional, Boolean 67
Connectives, truth-functional, semantics for 68 72 75 178 182
Connectives, truth-functional, ternary 195
Consequence 297
Consequence, analytic 60
Consequence, first-order 267 266—273
Consequence, FO 267
Consequence, logical 2 4—5 41 42 44 46 93 110 181 267
Consequence, tautological 110—113 219
Consequence, tautological, in Fitch 114
Consequent of a conditional 178
Consequent of a conditional affirming 203 212
Consequent of a conditional strengthening 203 212
Consequent of a conditional weakening 203 212
Conservativity 389—390
Constructive dilemma 203 212
Context sensitivity 27 304 307
Contradiction 137 155
Contradictory TT- 138
Contradictory, TT- 158
Contraposition 199
Contrapositive 201
Conversational implicature 187 188 244—247 381
Corollary 218
Correctness of axioms 338
Counterexample 5 15 63
Counterexample, first-order 270
Date of Birth Lemma 530
Deduction Theorem 535
Deductive system 54
Definite descriptions, Russellian analysis 379
Definite descriptions, Strawson's objection 381
DeMorgan laws 81 82 83 106 182 312
DeMorgan laws and first-order equivalence 275—279
DeMorgan laws for quantifiers 279 355
Determinate property 22 24
Determiners 227 364
Determiners, anti-persistent 392
Determiners, general form 384
Determiners, generalized, adding to fol 388
Determiners, generalized, binary 397
Determiners, generalized, logic of 394
Determiners, generalized, semantics of 387
Determiners, monotone 366 392
Determiners, monotone, decreasing 391
Determiners, monotone, increasing 390
Determiners, persistent 392—394
Determiners, reducible 385
Discharged assumption 164
Disjunction 67 74
Disjunction, elimination 149
Disjunction, exclusive 74 75
Disjunction, inclusive 74
Disjunction, introduction 129 148
Disjunctive normal form (DNF) 121—125
Distributive laws 122
Distributive laws of over 122 124
DNF 124
DNF sentence 125
Dodgson, Charles 268
Domain of a function 427
Domain of discourse 236 348 496 498
Domain of quantification 236
dot notation 90
Double Negation 68 83 83
Elimination rules 142
Elimination Theorem 528 534
Elimination Theorem, proof of 538
Empty clause 489 524
Empty set 412
Enderton, Herbert 435 555
Equivalence classes 424—425
Equivalence relations 424—425
Equivalence, first-order 267
Equivalence, first-order, and DeMorgan laws 275—279
Equivalence, logical 93 106—109 267
Equivalence, logical, of wffs with free variables 276
Equivalence, tautological 106—109
Euclid's theorem 332
Even number 200 242
Excluded Middle 97 128 174
Exclusive disjunction 74 75
Existential elimination 322 347
Existential generalization 320 321
Existential instantiation 322—323 329 332
Existential introduction 320 347
Existential noun phrase 243
Existential quantifier 230—231
Existential sentence 400
Existential wff 450
Extended discourse 306 307
Extension of a predicate 422 497 498
files, naming 6—7
Files, submitting 5—10
First-order consequence 267 505
First-order languages 2
First-order languages, arithmetic 38
First-order languages, expressive limitations of 397—398
First-order languages, set theory 37
First-order logic 2
First-order logic, language of, (fol) 2
First-order structure 498 495—498 500
First-order validity 267 505
First-order vs. second-order 257
Fitch 5—10 14 58
Fitch bar 43 54
Fitch format 43
Fitch, Frederic 43 54
Fitch-style deductive system 14 54 149 163
Fitch-style deductive system, extended 376
FO Con 115 158 271 272 286 524
Fo-satisfiable 506
Formal proof 54 142 206 376
Formally complete theory 472
Formally consistent theory 471
Free logic 20n
Free variable 232
Frege, Gottlob 3
Function 427
Function symbols 31 31—34 229 308 514 516
Function symbols and quantification 251—253
Function symbols of arithmetic 38
Function symbols, completeness for languages with 544
Function, domain of 427
Function, modeling in set theory 427—428
Function, partial on a domain 427
Function, partial, defined on an object 428
Function, range of 428
Function, total on a domain 427
Functional calculus 2
Game 67 77
Game rules 78 237
Game rules for 182
Game rules for 68
Game rules for 178
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