43 6 



THE SCIENCE OF LOGIC 



Irony, Socratic, ii., 15. 



Irrelevant elements, elimination of, i., 



276 ; ii., 165-72, 269. 

 IRVINE, i., 307. 

 &quot; Isolated &quot; laws, ii., 207. 



JANET, ii., 200. 



JEVONS, i., 39, 232, 244, 375 ; ii., 37, 43, 

 55, 137, 168, 169, 194-6, 202, 204, 303. 



JOANNES A S. THOMA, i., 14, n. 2. 



JOHN XXL, Pope, i., 317, 352. 



JOHNSON, i., 323. 



Joint method of difference and agreement, 

 ii., 181-3. 



JOLY, M. HENRI, ii., 326-7. 



JOSEPH, on form and matter of thought, 

 i., 21, 163, 264-5; ii., 296; on exten 

 sion and denotation, i., 57 ; on pro 

 perties, 85 ; on principle of individua- 

 tion, 86, 140 ; on definition, 92 ; on 

 basis of division, 119 ; on the cate 

 gories, 147 ; on predication /w accidens, 

 156 ; on verbal and real judgments, 171 ; 

 on modality, 181, 185 ; on quantity 

 of judgment, 191 ; on particular pro 

 positions, 194-5 ; on negation, 205 ; on 

 immediate inferences, 232, 234-5, 237, 

 239-40 ; on existential import of copula, 

 249; on hypothetical judgment, 264; 

 on disjunctive judgments, 285, 287-8 ; 

 on definition of syllogism, 293, 366, 391- 

 2 ; on the Dictum de omni, 300, 303-4 ; 

 on undistributed middle, 309 ; on figures 

 of syllogism, 344-55 ; on simple dilem 

 mas, 369, 375 ; on deductive, inductive, 

 and mathematical inferences, 391-2, 

 411; ii., 31, 40, 47, 49-53, ii? H 2 

 172, 231, 247, 248 ; on subsumption in 

 syllogism, i., 406 ; on elimination in 

 induction, ii., 38, 50, 52 ; on mechanical 

 view of reality, 69 ; on efficient and 

 necessary causality and free will, 73- 

 5 ; on scope and ideal of science, 75, 

 108, 224, 229-32, 237-8 ; on meta 

 physical assumptions, 134-5, I 43 5&amp;gt; 

 243 ; on concepts of cause, 80, 88, 90- 

 2, 208 ; on grounds of belief in unifor 

 mity of nature, 102, 107-13, 115-16, 

 243 ; on function of hypothesis, 122 ; 

 on analogy, 158-60; on experimental 

 methods, 173, 175, 186, 191, 194 ; on 

 inductive explanation, 247 ; on fallacies ; 

 297, 3oi, 3&quot; 328. 



JOYCE, on necessary judgments, i., 176 ; j 

 on traditional rules of syllogism, 317; 

 on mnemonic lines, 352 ; on logical and 

 real principles in inference, 389-90 ; on 

 circumstantial evidence, 394-5 ; on in 

 duction not an inference, 408 ; ii., 114 ; 

 on inductive syllogism, ii., 27, 31 ; on 

 scholastic view of induction, 



242-3 ; of laws, 207 ; on metaphysical 

 truths, 219; on chance, 274, 280; on 

 fallacies, 328. 



Judgment (v. propositions], i., 17, 18 ; 

 Kant s divisions of, 151 ; process of, 

 154-8 ; objective truth of, 158-62 ; de 

 finitions of, 161 ; problems on import 

 of, 167-8 ; classifications of, 168-70 ; 

 necessary and contingent, with syn 

 onyms, 170-80 ; 201-2 ; ii., 217-23 ; ob 

 jectivity of necessary judgments, i., 174- 

 9 ; modality of, 180-5, 261 ; quantity of 

 categorical, 188-98 ; affirmative and 

 negative, 202-6; opposition in cate 

 gorical judgments, 219 sqq. ; existen 

 tial import of, 248-62 ; hypothetical and 

 conditional, 263-79 ; disjunctive and 

 alternative, 280-6 ; inference from &quot; par 

 ticulars,&quot; 386, 392-5 ; fallacies incident 

 to, ii., 308-15. 



KANT, i. f 10, 20 ; on the categories, 

 146, 150-3 ; on analytic and synthetic 

 judgments, 177-80 ; on modality, 183-5 ; 

 on first figure of syllogism, 334 ; on 

 realism, ii., 146-7; on fallacies, 300; 



334- 



KELVIN, Lord, ii., 133, 138. 



KEPLER, ii., 122. 



Key, analytical, i., 125. 



KEYNES, Dr., on laws of thought, i., 27 ; 

 ii., 308 ; on meaning and implication, 

 i., 50, 165-6, 234 ; on denotation, 55 ; 

 on negative terms, 66 ; on definition, 

 94&amp;gt; 95, 99 1 n simple, complex and 

 compound judgments and terms, 169, 

 198-9, 283-4 &amp;gt; n verbal and real 

 propositions, 172 ; on modality, 183 ; 

 on denial, 203-6; on quantification of 

 predicate, 212-16, 332; on equational 

 reading of propositions, 217-18 ; on 

 contraposition, 242 ; on universe of 

 discourse, 5^, 249; on existential im 

 port, 249-262 ; on conditional and hy 

 pothetical propositions, 267, 270, 274, 

 276-b ; on alternative and disjunctive 

 propositions, 283 ; on eductions and 

 rules of syllogism, 312 ; on simplifica 

 tion of rules of syllogism, 315-17 ; on 

 fourth figure of syllogism, 324 ; on 

 existential import in syllogism, 331-2; 

 on antilogism, 340-1 ; on first figure, 

 344 ; on second figure, 345 ; on third 

 figure, 349 ; on &quot; disjunctive &quot; syllog 

 isms, 365 ; on dilemmas, 375 ; on sorites, 

 382-3 ; on non-syllogistic inferences, 

 387 ; on pelitio principii in inference, 



404-5- 



Kinds, natural, i., 129; ii., 139. 

 KIRSCH, ii., 254. 



335 on 



uniformity of nature, 94, 98, 116; on | LAMBERT, i., 344. 

 measurement, 202 ; on explanation, i LANGLOIS and SEIGNOBOS, ii., 253. 



