Logic, or the Art of Reasoning simplified, etcBangster & Marshall, 1838 - 323 páginas |
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Página 6
... necessary ignorance . We have not only the means of information at command , but may possess ourselves with the mode of rightly using it , to our own advantage , and to the benefit of the so- ciety to which we belong . Can we then ...
... necessary ignorance . We have not only the means of information at command , but may possess ourselves with the mode of rightly using it , to our own advantage , and to the benefit of the so- ciety to which we belong . Can we then ...
Página 9
... them to deduce a truth not before perceived as a necessary consequence of the premises they afford ; or to detect an error resulting from their misapplication . These " When it is asked , " says Dr. Whately PREFACE . 9.
... them to deduce a truth not before perceived as a necessary consequence of the premises they afford ; or to detect an error resulting from their misapplication . These " When it is asked , " says Dr. Whately PREFACE . 9.
Página 10
... necessary case , from assumed pre- mises , is acting until positive ones can supply their place ; yet it is not that strictly , in which Logic , that pretends not to the discovery of new Truths in an unrestricted sense , is concerned ...
... necessary case , from assumed pre- mises , is acting until positive ones can supply their place ; yet it is not that strictly , in which Logic , that pretends not to the discovery of new Truths in an unrestricted sense , is concerned ...
Página 20
... necessary or not . Very pos- sibly , on first opening the book , his object might be , particularly if his time be not very ample , to discover merely what are the leading . points , or what has the first claim to his attention ; but if ...
... necessary or not . Very pos- sibly , on first opening the book , his object might be , particularly if his time be not very ample , to discover merely what are the leading . points , or what has the first claim to his attention ; but if ...
Página 25
... necessary , impossible or contingent matter of a proposition , a . 86 ; rules as to indefinite and singular proposi- tions , a . 87 to 89 . CHAPTER V. SECTION I. On the opposition of propositions , Opposition of propositions defined , a ...
... necessary , impossible or contingent matter of a proposition , a . 86 ; rules as to indefinite and singular proposi- tions , a . 87 to 89 . CHAPTER V. SECTION I. On the opposition of propositions , Opposition of propositions defined , a ...
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Términos y frases comunes
according affirmed or denied analogy antecedent argument axiom birds are animals Cæsar called certainty CHAP Christian Cloven feet common comprehension conclusion consequence constitution contained conversion conviction copula deciduous deduced deductive evidence definition demonstration distinct distributes the subject employed enthymeme equal essential difference Euclid example exist expressed faculties fallacy fallacy of division false figure fixed body genus gism hypothetical syllogisms ideas ignoratio elenchi illicit process implies individual induction infer inferential INTERROGATORY EXAMINATION intuitive evidence judgment kind Logic logicians luminous bodies major premiss major term mathematical matter middle term mind minor term mnemonic mode mood moral nature necessary object opposition Oviparous particular affirmative perceived planet predicate principle proof proved quadruped rational reduced rules sense sion species star subaltern subject and predicate syllogistic term distributed thing tion true truth undistributed middle universal affirmative universal proposition universal term Whately whole words
Pasajes populares
Página 249 - My son, if thou wilt receive my words, and hide my commandments with thee, so that thou incline thine ear unto wisdom, and apply thine heart to understanding; yea, if thou criest after knowledge, and liftest up thy voice for understanding ; if thou seekest her as silver, and searchest for her as for hid treasures ; then shalt thou understand the fear of the Lord, and find the knowledge of God.
Página 123 - ... the three angles of a triangle are together equal to two right angles, although it is not known to all.
Página 317 - That there is satisfactory evidence, that many, professing to be original witnesses of the Christian miracles, passed their lives in labours, dangers, and sufferings, voluntarily undergone in attestation of the accounts which they delivered, and solely in consequence of their belief of those accounts ; and that they also submitted, from the same motives, to new rules of conduct.
Página 297 - ... and attention to the one, as he does to the other of these sciences. The relation of other modes may certainly be perceived, as well as those of number and extension : and I cannot see why they should not also be capable of demonstration, if due methods were thought on to examine or pursue their agreement or disagreement. Where there is no property, there is no injustice...
Página 124 - Day unto day uttereth speech, and night unto night sheweth knowledge. There is no speech nor language, where their voice is not heard. Their line is gone out through all the earth, and their words to the end of the world.
Página 31 - ... whatever is predicated (ie affirmed or denied) universally, of any class of things, may be predicated, in like manner, (viz. affirmed or denied) of any thing comprehended in that class.
Página 128 - It deserves likewise to be attended to on this subject, that in a number of concurrent testimonies (in cases wherein there could have been no previous concert) there is a probability distinct from that which may be termed the sum of the probabilities resulting from the testimonies of the witnesses, a probability which would remain even though the witnesses were of such a character as to merit no faith at all.
Página 193 - Verily, verily, I say unto thee, We speak that we do know, and testify that we have seen ; and ye receive not our witness. If I have told you earthly things, and ye believe not, how shall ye believe, if I tell you of heavenly things?
Página 7 - ... in this place. If it were inquired what is to be regarded as the most appropriate intellectual occupation of MAN, as man, what would be the answer ? The Statesman is engaged with political affairs ; the Soldier with military ; the Mathematician, with the properties of numbers and magnitudes; the Merchant, with commercial concerns, &,c.; but in what are all and each of these employed?
Página 124 - The heavens declare the glory of God, and the firmament sheweth his handy work. Day unto day uttereth his speech, and night unto night sheweth knowledge.