Studies in Deductive Logic: A Manual for Students, by W. Stanley JevonsMacmillan and Company, limited, 1896 - 304 sider |
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Side 33
... metals are conductors . Contradictory ( 0 ) —Some metals are not conductors . Contrary ( E ) -No metals are conductors . The first of these ( I ) may be inferred from the original ; the other two ( O and E ) , so far from being ...
... metals are conductors . Contradictory ( 0 ) —Some metals are not conductors . Contrary ( E ) -No metals are conductors . The first of these ( I ) may be inferred from the original ; the other two ( O and E ) , so far from being ...
Side 41
... this , although very likely to happen materially , is not logically necessary . 16. What is the obverse of the proposition ' All metals are elements ' ? The obverse is a new term introduced by Professor Alexander V 41 QUESTIONS AND ANSWERS.
... this , although very likely to happen materially , is not logically necessary . 16. What is the obverse of the proposition ' All metals are elements ' ? The obverse is a new term introduced by Professor Alexander V 41 QUESTIONS AND ANSWERS.
Side 42
... metals are not elements . ' 6 Professor Bain goes on to describe what he calls ' Material Obversion , ' justified only on an examination of the matter of the proposition . Thus from ' warmth is agreeable , ' he infers , after ...
... metals are not elements . ' 6 Professor Bain goes on to describe what he calls ' Material Obversion , ' justified only on an examination of the matter of the proposition . Thus from ' warmth is agreeable , ' he infers , after ...
Side 47
... metal . ' The premise is stated in a complex form with double negation ; it means ' No coins are not made of metal , ' which is the obverse of ' All coins are made of metal ' ( A ) . The contradictory , as shown in the square of ...
... metal . ' The premise is stated in a complex form with double negation ; it means ' No coins are not made of metal , ' which is the obverse of ' All coins are made of metal ' ( A ) . The contradictory , as shown in the square of ...
Side 52
... metals are not brittle , ' is represented by the following figure : — BRITTLE METALS SUBSTANCES FIG . 1 . It does not seem to have been sufficiently noticed that though such a diagram correctly shows the exclusion of a part of the class ...
... metals are not brittle , ' is represented by the following figure : — BRITTLE METALS SUBSTANCES FIG . 1 . It does not seem to have been sufficiently noticed that though such a diagram correctly shows the exclusion of a part of the class ...
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Studies in Deductive Logic: A Manual for Students William Stanley Jevons Uten tilgangsbegrensning - 1880 |
Studies in Deductive Logic: A Manual for Students William Stanley Jevons Uten tilgangsbegrensning - 1880 |
Vanlige uttrykk og setninger
A. J. Ellis aBc abC abc ABCD ABCD ABCD angles animals assertion bipeds Camestres CHAPTER combinations conclusion concrete contain carbon contradictory contrapositive converse by limitation Crown 8vo crystals definitions devoid of carbon Elementary Lessons equal equation equivalent example existence express fallacy false falsity figure and mood following propositions Formal Logic fourth figure give Hamilton Hence Illicit Major Illicit Process implies inductive involve jests at scars Laws of Thought Lessons in Logic Logical Alphabet logical force logical relation logicians major premise major term material truth mathematical meaning metals middle term minor term Morgan mortal negative premises negative proposition non-disjunctive obverse possible Principles of Science problem Professor prove pseudo-mood qualities quantity question reasoning second figure singular student subaltern substances syllogistic symbols things third figure Thomson triangles true truly scientific author Undistributed Middle universal negative valid syllogism Xs are Ys
Populære avsnitt
Side 174 - For none of us liveth to himself, and no man dieth to himself. For whether we live, we live unto the Lord; and whether we die, we die unto the Lord : whether we live therefore, or die, we are the Lord's.
Side 244 - 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.
Side 29 - 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.
Side 78 - 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.
Side 82 - Now these things were our examples, to the intent we should not lust after evil things, as they also lusted.
Side 29 - All places that the eye of heaven visits Are to a wise man ports and happy havens. Teach thy necessity to reason thus ; There is no virtue like necessity.
Side 61 - 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...
Side 73 - Barbara, Celarent, Darii, Ferioque, prioris ; Cesare, Camestres, Festino, Baroko, secundae ; Tertia, Darapti, Disamis, Datisi, Felapton, Bokardo, Ferison, habet ; Quarta insuper addit Bramantip, Camenes, Dimaris, Fesapo, Fresison.
Side 26 - Whosoever is delighted in solitude is either a wild beast or a god. For it is most true that a natural and secret hatred and aversation towards society in any man hath somewhat of the savage beast ; but it is most untrue that it should have any character at all of the divine nature except it proceed, not out of a pleasure in solitude, but out of a love and...