Studies in Deductive Logic: A Manual for StudentsMacmillan, 1880 - Всего страниц: 304 |
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Стр. vii
... mind than is the performance of calculations and the solution of problems in a mathematical class . " • The considerable use which has been made of the Elementary Lessons seems to show that they meet an educa- tional want of the present ...
... mind than is the performance of calculations and the solution of problems in a mathematical class . " • The considerable use which has been made of the Elementary Lessons seems to show that they meet an educa- tional want of the present ...
Стр. viii
... mind of the learner into an active , instead of a passive state . It is of no use to listen to a lecture or to read a lesson unless the mind appropriates and digests the ideas and principles put before it . The working of problems and ...
... mind of the learner into an active , instead of a passive state . It is of no use to listen to a lecture or to read a lesson unless the mind appropriates and digests the ideas and principles put before it . The working of problems and ...
Стр. ix
... mind of first - rate ability has con- siderable command of natural logic , which is often greatly improved by a ... minds of various training and capacity , and I have often been astonished at the way in which even well - trained ...
... mind of first - rate ability has con- siderable command of natural logic , which is often greatly improved by a ... minds of various training and capacity , and I have often been astonished at the way in which even well - trained ...
Стр. xiii
... mind could dissect logical questions into their very atoms , but he could not put the atoms of thought together again into a real system . As his great antagonist , Sir W. Hamilton , remarked , De Morgan was wanting in ' Architectonic ...
... mind could dissect logical questions into their very atoms , but he could not put the atoms of thought together again into a real system . As his great antagonist , Sir W. Hamilton , remarked , De Morgan was wanting in ' Architectonic ...
Стр. xv
... Mind , several papers upon a Calculus of Equivalent Statements , which arose out of an earlier article in the Educational Times . His Calculus differs in several points both from that of Boole and from that described in this book as ...
... Mind , several papers upon a Calculus of Equivalent Statements , which arose out of an earlier article in the Educational Times . His Calculus differs in several points both from that of Boole and from that described in this book as ...
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A. J. Ellis Abc aBC aBc ABCD ABCD ABCD abCDef abstract animals assertion BALFOUR STEWART Camestres carbon CHAPTER combinations conclusion consistent contains contradictory contrapositive converse Crown 8vo crystals Deductive Logic distributed Edition Elementary Lessons equal equation Equational Logic equationally equivalent existence expressed fallacy false falsity Fcap following propositions foraminifera Formal Logic fourth figure give Hamilton Hence Illicit Process inductive inference involving Laws of Thought Lessons in Logic Logical Alphabet logical force Logical Index logical relation logicians major premise major term mathematical meaning metals middle term minor term mood Morgan mortal nature non-disjunctive numerous Illustrations obverse Owens College particular Philosophy possible predicate Principles of Science problem Professor Prove qualities question reasoning scientific second figure singular student substances substitution syllogistic symbols things third figure Thomson triangles true undistributed universal affirmative valid syllogism Xs are Ys
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Стр. 240 - I do declare that no foreign prince, person, prelate, state, or potentate hath, or ought to have any jurisdiction, power, superiority, pre-eminence, or authority, ecclesiastical or spiritual, within this realm; so help me God.
Стр. 27 - To gild refined gold, to paint the lily, To throw a perfume on the violet, To smooth the ice, or add another hue Unto the rainbow, or with taper-light To seek the beauteous eye of heaven to garnish, Is wasteful, and ridiculous excess.
Стр. 76 - Which of you convinceth me of sin ? And if I say the truth, why do ye not believe me? He that is of God heareth God's words : ye therefore hear them not, because ye are not of God.
Стр. 24 - For he that fights and runs away May live to fight another day, But he that is in battle slain Will never rise to fight again.
Стр. 19 - LESSONS IN ELEMENTARY CHEMISTRY, INORGANIC AND ORGANIC. By HENRY E. ROSCOE, FRS , Professor of Chemistry in Owens College, Manchester. With numerous Illustrations and Chromo-Litho of the Solar Spectrum, and of the Alkalies and Alkaline Earths. New Edition. Fcap. 8vo. 4^. 6d. " As a standard general text-book it deserves to take a leading place. " — SPECTATOR. " We unhesitatingly pronounce it the best of all our elementary treatises on Chemistry.
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Стр. 166 - A miracle is a violation of the laws of nature ; and as a firm and unalterable experience has established these laws, the proof against a miracle, from the very nature of the fact, is as entire as any argument from experience can possibly be imagined.
Стр. 99 - No, faith, not a jot ; but to follow him thither with modesty enough and likelihood to lead it : as thus : Alexander died, Alexander was buried, Alexander returneth into dust ; the dust is earth ; of earth we make loam ; and why of that loam, whereto he was converted, might they not stop a beer-barrel...
Стр. 59 - If a straight line meet two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Стр. 70 - No term must be distributed in the conclusion which was not distributed in one of the premises. 5. From negative premises nothing can be inferred. 6. •• If one premise be negative, the conclusion must be negative; and vice versa, to prove a negative conclusion one of the premises must be negative. From the above rules may be deduced two subordinate rules, which it will nevertheless be convenient to state at once. 7. From two particular premises no conclusion can be drawn. 8. If one premise be...