INDEX 



443 



Strengthened syllogisms, i., 326-7. 

 Subaltern moods of syllogism, i., 325. 



opposition, i., 220-1. 

 Subcontrary opposition, i., 226-7. 

 Subdivision, i., 113. 



Subject, grammatical, logical, and ultim 

 ate, of propositions, i., 155, 161, 248-9, 

 264. 



Subjective intension, i., 49, 63. 



view of modality, i., 183-5. 

 Substance, category of, i., 139, 141, 143 ; 



and attribute, 366, 386-7 ; in induction, 



ii., 83, 129. 



Substances, first and second, i., 75, 139. 

 Substantial terms, i., 46-7. 

 Sufficient reason, v. reason. 



{== necessitating) cause, ii., 64, 71, 

 79, 168, 244. 



Suggestion and implication, i., 51, 63, 

 258 ; and inference, 394 ; in teaching, 

 ii., 15. 



of hypotheses, ii., 151-5. 

 Summa Theologica, ii., 17. 

 Summum genus, i., 78, 96, 127. 

 Suppositio, i., 48. 



materialis, i., 37. 



Suprasensible not unknowable, ii., 59-60. 



Supremo, genera rerum, i., 137. 



Suspicion, ii., 213. 



Syllogism, syllogisms, etymology and de 

 finitions of, i., 293, 385-92 ; matter and 

 form of, 294-7 ; formal validity ex 

 pressed as a hypothetical proposition, 

 296 ; pure and mixed, 297-8 ; and laws 

 of thought, 298-9 ; mediate axioms of, 

 299-304; general canons of, 305-18; 

 figures and moods of, 319-331 ; and 

 existential import, 331-2 ; and quanti 

 fication of predicate, 332 ; reduction 

 of, 335-H; figures compared, 344-55; 

 mixed, 356-75 ; and mediate inference, 

 385-92 ; characteristics of syllogistic 

 reasoning, 385-6 ; and deductive infer 

 ence, 391-2, 412 ; ii., 51-3 ; and fallacy 

 of petitio principii, i., 401-7 ; and uni 

 formity of nature, ii., 115-19 ; probable 

 syllogism, ii., 159, 263-8 ; rhetorical, 

 ii., 268 ; demonstrative, ii., 225-9. 



Syllogistic reasoning, v. syllogism, and 

 inference. 



Symbolic logic, i., 117. 



Symbols, use of, i., 23; for experimental 

 methods, ii., 199-200. 



Syncategorematic words, i., 34, 36. 



Synonyms, i., 172. 



Synthesis, in definition, i., 91 ; in judg 

 ment, i., 157-8, 171 ; in method, ii., 

 9-10; and analysis in teaching, ii., 

 14-16. 



Synthetic method, i., 378 ; ii., 7-10. 



chains of reasoning, i., 377-83. 



judgments and propositions, i., 170-80 ; 

 ii., 94 ; synthetic a priori, i., 179. 



Systematic conceptions, ii., 127, 137-42, 

 145, 319. 



Tabula, Lord Bacon s, ii., 172. 



Tautology, i., 272, 276. 



Teaching, methods of, ii., 14-22. 



rfK^piov, ii., 232, 266. 



Teleology and mechanicism in philosophy 



of nature, v. mechanical, and purpose. 

 Tendency, defined, ii., 196. 

 Terminology, scientific, i., 132-4. 

 Terms, definition of, i., 37 ; divisions of, 



42-71. 



ambiguous, i., 44, 189. 



distribution of, in proposition, i., 186-8. 



relation to concepts and to things, i., 

 42-3, 100. 



simple and complex, single-worded and 

 many-worded, i., 37, 197-8, 259, 283-5, 

 290. 



Testimony, qualities of, ii., 250 ; not 

 ultimate, 251 ; criteria of, 254-6 ; and 

 probability, 264 ; and calculus of proba 

 bility, 284-5. 



Tests of truth, v. criteria. 



Tetralemma, i., 367. 



Theism, philosophy of, ii., 61, 78 ; and 

 uniformity of nature, 100-2, 106-7, 

 109-10, 112-13, 143; as a verifiable 

 hypothesis, 145-7 ; 230-2, 234-6, 240-3. 



THEOPHRASTUS, i., 351. 



Theory and fact, ii., 60, 149-50. 



and hypothesis, ii., 124. 



of knowledge, i., 28-9. 

 Thesis, in syllogism, i., 292. 



Third figure of syllogism, special rules 

 of, i., 322-3 ; characteristics of, 346-50. 



THOMAS AQUINAS, ST., i., 13, 15, 32, 43, 

 141, 148, 173, 394 ; ii. 3, 12, 17, 21, 29, 

 33-4. 47, 67, 82, 127, 138, 147, 210, 

 228, 252, 326. 



THOMSON, Archbishop, i., 20, 212, 375. 



Thought and language, i., 35. 



and sensation, i., 2-4. 



and things, i., 42-3, 249-52. 



form and matter of, i., 20-3, 146, 150, 

 152. 



laws of, v. Laws of Thought. 

 Time, category of, i., 142-4, 150; and 



causation, ii., 80-4, 228. 



of predication and in predication, i., 

 161-2. 



Tollendo ponens, modus, i., 364; in in 

 duction, ii., 39. 

 Tollens, modus, i., 359. 

 TOOHEY, ii., 214-5. 

 Total cause, ii., 63-5. 

 Totum divisum, i., 112. 



logicum, i., 114. 



metaphysicum, i., 114 

 Traditional logic, i., 29; and existential 



import, 252-4, 256; 272. 



scheme of propositions, i., 186-8. 



