Manuscript/Mixed Material Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; Logic
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Image 1 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … BLACKWELL FAMILY ALICE STONE BLACKWELL Miscellany Class Notes LOGIC- Contributor: Blackwell Family
- Date: 1848
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Image 2 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … SR PX Logic Alice S Blackwell- Contributor: Blackwell Family
- Date: 1848
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Image 3 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … Logic the science of the laws of thought Thought process by which mind works over the raw material of sensation feeling 2 distinct orders in our mental life 1 of experience 2…- Contributor: Blackwell Family
- Date: 1848
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Image 4 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 2 Objections I Sensations feelings assumed by theory involve discrimination judgment before they can become objects for the mind But grant these for the sake of argument true thinking is unexplained Association…- Contributor: Blackwell Family
- Date: 1848
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Image 5 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 4 Books to read Ubbermigs History of Logical doctrine Hamiltons Lectures on Logic Jervins Principles of Science Cause effect etc are not implied in the sense experience Represent a new activity Mind…- Contributor: Blackwell Family
- Date: 1848
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Image 6 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 6 In association we have conjunction of ideas simply Antecedent comes next to consequent but does not involve it In thought antecedent contains consequent they are bound together by necessity of reason…- Contributor: Blackwell Family
- Date: 1848
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Image 7 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 8 Summing up 1 Thinking involves elements association cannot give 2 Association alone would make knowledge impossible 3 The two processes are given as distinct in consciousness Conflicting views of logic 1…- Contributor: Blackwell Family
- Date: 1848
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Image 8 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 10 Subject matter of logic our ideas their relations But the ideas cannot be considered apart from their definite content The notion the judgment the inference represent the three great factors of…- Contributor: Blackwell Family
- Date: 1848
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Image 9 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … All cognition is of something all thought about something depends on Minds first action making its impressions into objects distinction of these as things qualities Simplest sensation can become mental object only…- Contributor: Blackwell Family
- Date: 1848
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Image 10 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 14 Claim that this is also a law of things that change is impossible But law only says that change if thought must be thought as change Plato upheld the fixity of…- Contributor: Blackwell Family
- Date: 1848
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Image 11 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 16 Claim of Hegelians that Law of Identity is not a law of thought that it contradicts law of causation makes change impossible But if it be no law contradictoriness is no…- Contributor: Blackwell Family
- Date: 1848
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Image 12 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 18 Law of Identity negative condition of thinking By it we cannot pass from one object to another Thinking depends upon relation Element of relation positive condition of thinking No thought object…- Contributor: Blackwell Family
- Date: 1848
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Image 13 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 20 Also Law of the sufficient reason Nowhere clearly formu lated Both these fail to show element of relation wh is essential to thought system Both are dogmatic statements not deductions from…- Contributor: Blackwell Family
- Date: 1848
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Image 14 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 22 AA cannot be denied without assuming it ABC is not a necessity of in thought though absolutely necessary to thought Its denial would be only absurd not contradictory But the mind…- Contributor: Blackwell Family
- Date: 1848
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Image 15 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … Sense experience the form of knowledge distinct Sense experience acquired form rational character by reaction of mind upon it Is referred to a world of things Which is a purely mental constructionan…- Contributor: Blackwell Family
- Date: 1848
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Image 16 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 26 This form of knowledge is distinct from Laws I II which apply to all forms but determine explain none This form is given in The Categories Categories norms of distinction rules…- Contributor: Blackwell Family
- Date: 1848
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Image 17 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 28 Categories logically subsequent to laws of thought but not sequent in time Both are given in synthesis in primal act of thought Aristotles view of categories Hegelians Both regard them as…- Contributor: Blackwell Family
- Date: 1848
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Image 18 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 30 If categories be in things not also in mind as norms of procedure we should never come to perception Absurd to try to abstract categories from products of senseperception since said…- Contributor: Blackwell Family
- Date: 1848
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Image 19 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … We shall give their leading uses importance in knowledge Hegel others have tried in vain to deduce the categories from a single root We must accept them as independent facts for which…- Contributor: Blackwell Family
- Date: 1848
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Image 20 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 34 To distinguish things we must have cats of unity plurality These are contained in primal act of distinction Their combination gives cat of totality This category defined From cat of totality…- Contributor: Blackwell Family
- Date: 1848
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Image 21 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 35 plurality The one is impossible in thought without the many the many cannot be thought without the one Unity plurality are categories which are contained in the primal act of distinction…- Contributor: Blackwell Family
- Date: 1848
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Image 22 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 36 Cats of time and space flow fr principle that knowledge depends on distinction Things in intuition must be outside e g in space if they are to be distinct Mutual exclusion…- Contributor: Blackwell Family
- Date: 1848
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Image 23 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 38 Unit is its own measure Unmeasured quantity or given unit sans other determination Obscure point Kants view that number depends on time as figure on space âµ counting time are both…- Contributor: Blackwell Family
- Date: 1848
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Image 24 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 40 Catsare not all equally necessary in thought Law of identity is an abstract necessity All the other principles can be denied sans assuming them Denial of law of relation palsies thought…- Contributor: Blackwell Family
- Date: 1848
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Image 25 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 42 Upper members must be admitted as 1 Facts or 2 Outcome of purpose 43 upper members of which must be admitted simply as facts or else explained as the outcome of…- Contributor: Blackwell Family
- Date: 1848
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Image 26 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 44 Reasoning may be viewed as 1 Analytic 2 Synthetic 1 Judgment union of 2 notions Inference propositions to form a 3d 2 Notion given judgment analysis of its content Inference analysis…- Contributor: Blackwell Family
- Date: 1848
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Image 27 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 46 Both views are true All thinking depends on assuming a fixed order of reason among our ideas This order is not revealed in experience Thought aims to find constant unit from…- Contributor: Blackwell Family
- Date: 1848
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Image 28 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 48 Notion always expresses a class or universal Content of notion is given in predicate if predicate were particular content of universal would be particular Classification rests on an element of likeness…- Contributor: Blackwell Family
- Date: 1848
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Image 29 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 50 Until every case is recognized as one of a class we have no thought From predicate notions we get abstract notions including categories wh we abstract fr their products Mistaking abstract…- Contributor: Blackwell Family
- Date: 1848
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Image 30 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 52 Subject notion consists in uniting pred notions into a constant whole Or subject group of marks Assumption is that notions combine in constant groups Subject not always simply seem of the…- Contributor: Blackwell Family
- Date: 1848
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Image 31 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 54 Subject as category defined Many notions words have place form of subject notions sans fixed complete meaning Progress of knowledge depends on fixing our notions so as to exclude include all…- Contributor: Blackwell Family
- Date: 1848
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Image 32 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 56 How we proceed in natural history by comparing many individuals In both cases we have to trust uniformity of nature Universal is not reached by abstraction fr differences but by substituting…- Contributor: Blackwell Family
- Date: 1848
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Image 33 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 58 W How we get particular fr universal NB Extension in intention do not vary inversely Intentions no of marks Extension objects wh have it Except True only in unimportant cases Alleged…- Contributor: Blackwell Family
- Date: 1848
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Image 34 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … Both are products not beginnings of thought N B Singular has its significance only in universal Universal is recognized only in singular Dispute between nominalist realist According to nominalist language would be…- Contributor: Blackwell Family
- Date: 1848
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Image 35 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 62 Judgment defined as commonly Are things or thoughts compared in judgment Neither why 1 Our judgments not all about things dont affect them 2 Thoughts have not properties of their contents…- Contributor: Blackwell Family
- Date: 1848
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Image 36 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 64 Attempt to reduce all judgments to categorical Succeeds in form but not in fact Categorical Judgment may be read in two ways acc extent or intent 1 Subject may be included…- Contributor: Blackwell Family
- Date: 1848
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Image 37 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 66 Hence claim that all judgment subsumption of individual under universal Hence too claim that all judgments are categorical Why Objections 1 All judgments are not subsumptive eg In mathematics process is…- Contributor: Blackwell Family
- Date: 1848
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Image 38 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 68 âµ such judgments always mean more than they say Gold is yellow Color of gold is yellow or Gold is a yellow thing All judgments reduce to identical judgments when the…- Contributor: Blackwell Family
- Date: 1848
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Image 39 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 70 Relatedness of thought objects lets us write A B C 7 x 13 91 Gold is yellow By new form knowledge is advanced Warrant for uniting different notions into one universal…- Contributor: Blackwell Family
- Date: 1848
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Image 40 of Blackwell Family Papers: Alice Stone Blackwell Papers, 1848-1957; Miscellany.; Class notes; By Blackwell; … 72 Negative belongs to copula Non B is not notion Judgments are divided as to quantity quality A universal affirmative E negative I particular affirmative O negative Affirmative predicate is undistinguished Negative…- Contributor: Blackwell Family
- Date: 1848