Combining Texts

All the ideas for '04: Gospel of St John', 'On the Ultimate Origination of Things' and 'The Justification of Deduction'

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20 ideas

1. Philosophy / A. Wisdom / 1. Nature of Wisdom
19336 Wisdom involves the desire to achieve perfection [Leibniz]
1. Philosophy / D. Nature of Philosophy / 5. Aims of Philosophy / a. Philosophy as worldly
19066 Philosophy aims to understand the world, through ordinary experience and science [Dummett]
2. Reason / A. Nature of Reason / 2. Logos
6294 In the beginning was the Word, and the Word was with God, and the word was God [John]
2. Reason / E. Argument / 6. Conclusive Proof
19067 A successful proof requires recognition of truth at every step [Dummett]
3. Truth / A. Truth Problems / 2. Defining Truth
8821 Jesus said he bore witness to the truth. Pilate asked, What is truth? [John]
4. Formal Logic / B. Propositional Logic PL / 3. Truth Tables
19060 Truth-tables are dubious in some cases, and may be a bad way to explain connective meaning [Dummett]
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
11066 Deduction is justified by the semantics of its metalanguage [Dummett, by Hanna]
5. Theory of Logic / B. Logical Consequence / 2. Types of Consequence
19058 Syntactic consequence is positive, for validity; semantic version is negative, with counterexamples [Dummett]
5. Theory of Logic / I. Semantics of Logic / 1. Semantics of Logic
19063 Beth trees show semantics for intuitionistic logic, in terms of how truth has been established [Dummett]
19059 In standard views you could replace 'true' and 'false' with mere 0 and 1 [Dummett]
19062 Classical two-valued semantics implies that meaning is grasped through truth-conditions [Dummett]
5. Theory of Logic / K. Features of Logics / 4. Completeness
19065 Soundness and completeness proofs test the theory of meaning, rather than the logic theory [Dummett]
7. Existence / A. Nature of Existence / 5. Reason for Existence
7696 Leibniz first asked 'why is there something rather than nothing?' [Leibniz, by Jacquette]
19341 There must be a straining towards existence in the essence of all possible things [Leibniz]
19428 Because something does exist, there must be a drive in possible things towards existence [Leibniz]
10. Modality / A. Necessity / 7. Natural Necessity
5047 The world is physically necessary, as its contrary would imply imperfection or moral absurdity [Leibniz]
14. Science / D. Explanation / 2. Types of Explanation / a. Types of explanation
19061 An explanation is often a deduction, but that may well beg the question [Dummett]
19. Language / A. Nature of Meaning / 10. Denial of Meanings
19064 Holism is not a theory of meaning; it is the denial that a theory of meaning is possible [Dummett]
20. Action / C. Motives for Action / 3. Acting on Reason / a. Practical reason
19343 We follow the practical rule which always seeks maximum effect for minimum cost [Leibniz]
26. Natural Theory / A. Speculations on Nature / 1. Nature
19429 The principle of determination in things obtains the greatest effect with the least effort [Leibniz]