Knowledge

Finitary

Source 📝

25: 276:
1, 2, 3, ... the letters of alphabet and some special symbols like "+", "⇒", "(", ")", etc.), give a finite number of propositions expressed in those symbols, which were to be taken as "foundations" (the axioms), and some
223:, such as, "What is the true base of mathematics?" The program was to be able to rewrite all mathematics using an entirely syntactical language 155:
In standard mathematics, an operation is finitary by definition. Therefore, these terms are usually only used in the context of
89: 108: 61: 325:
in the argument will necessarily be finite since the proof is finite, but the number of axioms from which these are
68: 46: 266:
thought is based on a finite number of principles and all the reasonings follow essentially one rule: the
75: 365: 220: 57: 42: 130: 35: 297:) without the need to rely on ingenuity. The hope was to prove that from these axioms and rules 334: 201: 8: 197: 180: 138: 350: 82: 278: 193: 188: 156: 183:(including all assumptions) that can be written on a large enough sheet of paper. 273: 359: 228: 330: 268: 149: 205: 122: 172: 272:. The project was to fix a finite number of symbols (essentially the 24: 302: 301:
the theorems of mathematics could be deduced. That aim is known as
232: 144:, i.e. if it has a finite number of input values. Similarly, an 289:
using only the stated rules (which make mathematics look like a
281:
which would model the way humans make conclusions. From these,
351:
Stanford Encyclopedia of Philosophy entry on Infinitary Logic
216: 176: 141: 126: 283:
regardless of the semantic interpretation of the symbols
16:
Qualifies an operation with a finite number of arguments
262:
The stress on finiteness came from the idea that human
175:
of symbolic propositions starting from a finite set of
49:. Unsourced material may be challenged and removed. 357: 204:, for instance, as derived from an infinitary 235:), "it does not matter if we call the things 219:in the early 20th century aimed to solve the 192:studies logics that allow infinitely long 109:Learn how and when to remove this message 358: 200:. In such a logic, one can regard the 171:is one which can be translated into a 285:the remaining theorems should follow 162: 47:adding citations to reliable sources 18: 13: 14: 377: 344: 329:is infinite when the system has 23: 34:needs additional citations for 315: 1: 333:, e.g. the axiom schemes of 7: 10: 382: 211: 179:. In other words, it is a 148:operation is one with an 308: 335:propositional calculus 221:problem of foundations 202:existential quantifier 321:The number of axioms 43:improve this article 366:Mathematical logic 279:rules of inference 227:. In the words of 152:of input values. 291:game with symbols 225:without semantics 169:finitary argument 163:Finitary argument 119: 118: 111: 93: 373: 338: 319: 189:infinitary logic 157:infinitary logic 114: 107: 103: 100: 94: 92: 51: 27: 19: 381: 380: 376: 375: 374: 372: 371: 370: 356: 355: 347: 342: 341: 320: 316: 311: 214: 165: 150:infinite number 115: 104: 98: 95: 52: 50: 40: 28: 17: 12: 11: 5: 379: 369: 368: 354: 353: 346: 345:External links 343: 340: 339: 313: 312: 310: 307: 231:(referring to 213: 210: 164: 161: 117: 116: 31: 29: 22: 15: 9: 6: 4: 3: 2: 378: 367: 364: 363: 361: 352: 349: 348: 336: 332: 331:axiom schemes 328: 324: 318: 314: 306: 304: 300: 296: 292: 288: 284: 280: 275: 271: 270: 265: 260: 258: 254: 250: 246: 242: 238: 234: 230: 229:David Hilbert 226: 222: 218: 209: 207: 203: 199: 195: 191: 190: 186:By contrast, 184: 182: 178: 174: 170: 160: 158: 153: 151: 147: 143: 140: 136: 132: 128: 124: 113: 110: 102: 91: 88: 84: 81: 77: 74: 70: 67: 63: 60: –  59: 55: 54:Find sources: 48: 44: 38: 37: 32:This article 30: 26: 21: 20: 326: 322: 317: 298: 294: 293:more than a 290: 286: 282: 269:modus ponens 267: 264:mathematical 263: 261: 256: 252: 248: 244: 240: 236: 224: 215: 187: 185: 168: 166: 154: 145: 134: 120: 105: 96: 86: 79: 72: 65: 53: 41:Please help 36:verification 33: 206:disjunction 123:mathematics 323:referenced 194:statements 173:finite set 146:infinitary 137:if it has 99:April 2012 69:newspapers 58:"Finitary" 245:beer mugs 217:Logicians 131:operation 360:Category 303:logicism 287:formally 274:numerals 233:geometry 135:finitary 295:science 212:History 83:scholar 327:chosen 257:planes 249:points 241:tables 237:chairs 198:proofs 177:axioms 139:finite 85:  78:  71:  64:  56:  309:Notes 253:lines 181:proof 142:arity 129:, an 127:logic 90:JSTOR 76:books 255:and 243:and 196:and 125:and 62:news 299:all 259:." 247:or 133:is 121:In 45:by 362:: 305:. 251:, 239:, 208:. 167:A 159:. 337:. 112:) 106:( 101:) 97:( 87:· 80:· 73:· 66:· 39:.

Index


verification
improve this article
adding citations to reliable sources
"Finitary"
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message
mathematics
logic
operation
finite
arity
infinite number
infinitary logic
finite set
axioms
proof
infinitary logic
statements
proofs
existential quantifier
disjunction
Logicians
problem of foundations
David Hilbert
geometry

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.