Ideas from 'The Thought: a Logical Enquiry' by Gottlob Frege [1918], by Theme Structure
[found in 'The Frege Reader' by Frege,Gottlob (ed/tr Beaney,Michael) [Blackwell 1997,978-0-631-19445-3]].
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2. Reason / A. Nature of Reason / 5. Objectivity
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7740
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There exists a realm, beyond objects and ideas, of non-spatio-temporal thoughts [Weiner]
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3. Truth / A. Truth Problems / 2. Defining Truth
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19466
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The word 'true' seems to be unique and indefinable
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3. Truth / C. Correspondence Truth / 3. Correspondence Truth critique
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19465
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There cannot be complete correspondence, because ideas and reality are quite different
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3. Truth / H. Deflationary Truth / 1. Redundant Truth
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19468
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The property of truth in 'It is true that I smell violets' adds nothing to 'I smell violets'
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7. Existence / A. Nature of Existence / 2. Types of Existence
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19470
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Thoughts in the 'third realm' cannot be sensed, and do not need an owner to exist
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7. Existence / D. Theories of Reality / 8. Facts / c. Facts and truths
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19471
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A fact is a thought that is true
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9. Objects / A. Existence of Objects / 3. Objects in Thought
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9877
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Late Frege saw his non-actual objective objects as exclusively thoughts and senses [Dummett]
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18. Thought / A. Modes of Thought / 1. Thought
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19469
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We grasp thoughts (thinking), decide they are true (judgement), and manifest the judgement (assertion)
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8162
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Thoughts have their own realm of reality - 'sense' (as opposed to the realm of 'reference') [Dummett]
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9818
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A thought is distinguished from other things by a capacity to be true or false [Dummett]
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18. Thought / A. Modes of Thought / 9. Indexical Thought
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16379
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Thoughts about myself are understood one way to me, and another when communicated
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19. Language / D. Propositions / 2. Abstract Propositions / a. Propositions as sense
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19467
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A 'thought' is something for which the question of truth can arise; thoughts are senses of sentences
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19. Language / D. Propositions / 5. Unity of Propositions
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19472
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A sentence is only a thought if it is complete, and has a time-specification
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