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All the ideas for 'fragments/reports', 'Twilight of the Idols' and 'The Concept of Truth for Formalized Languages'

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139 ideas

1. Philosophy / B. History of Ideas / 4. Early European Thought
Judging by the positive forces, the Renaissance was the last great age [Nietzsche]
1. Philosophy / C. History of Philosophy / 2. Ancient Philosophy / b. Pre-Socratic philosophy
I revere Heraclitus [Nietzsche]
1. Philosophy / C. History of Philosophy / 2. Ancient Philosophy / c. Classical philosophy
Thucydides was the perfect anti-platonist sophist [Nietzsche]
1. Philosophy / D. Nature of Philosophy / 1. Philosophy
Thinking has to be learned in the way dancing has to be learned [Nietzsche]
1. Philosophy / E. Nature of Metaphysics / 3. Metaphysical Systems
Wanting a system in philosophy is a lack of integrity [Nietzsche]
2. Reason / A. Nature of Reason / 7. Status of Reason
I want to understand the Socratic idea that 'reason equals virtue equals happiness' [Nietzsche]
2. Reason / B. Laws of Thought / 2. Sufficient Reason
Everything happens necessarily, and for a reason [Democritus]
2. Reason / C. Styles of Reason / 1. Dialectic
With dialectics the rabble gets on top [Nietzsche]
2. Reason / E. Argument / 6. Conclusive Proof
Anything which must first be proved is of little value [Nietzsche]
3. Truth / A. Truth Problems / 2. Defining Truth
Tarski proved that truth cannot be defined from within a given theory [Tarski, by Halbach]
Tarski proved that any reasonably expressive language suffers from the liar paradox [Tarski, by Horsten]
'True sentence' has no use consistent with logic and ordinary language, so definition seems hopeless [Tarski]
3. Truth / C. Correspondence Truth / 3. Correspondence Truth critique
Tarski's Theorem renders any precise version of correspondence impossible [Tarski, by Halbach]
3. Truth / F. Semantic Truth / 1. Tarski's Truth / a. Tarski's truth definition
Tarskian semantics says that a sentence is true iff it is satisfied by every sequence [Tarski, by Hossack]
Tarski gave up on the essence of truth, and asked how truth is used, or how it functions [Tarski, by Horsten]
Tarski did not just aim at a definition; he also offered an adequacy criterion for any truth definition [Tarski, by Halbach]
Tarski enumerates cases of truth, so it can't be applied to new words or languages [Davidson on Tarski]
Tarski define truths by giving the extension of the predicate, rather than the meaning [Davidson on Tarski]
Tarski made truth relative, by only defining truth within some given artificial language [Tarski, by O'Grady]
Tarski has to avoid stating how truths relate to states of affairs [Kirkham on Tarski]
3. Truth / F. Semantic Truth / 1. Tarski's Truth / b. Satisfaction and truth
Truth only applies to closed formulas, but we need satisfaction of open formulas to define it [Burgess on Tarski]
Tarski uses sentential functions; truly assigning the objects to variables is what satisfies them [Tarski, by Rumfitt]
We can define the truth predicate using 'true of' (satisfaction) for variables and some objects [Tarski, by Horsten]
For physicalism, reduce truth to satisfaction, then define satisfaction as physical-plus-logic [Tarski, by Kirkham]
Insight: don't use truth, use a property which can be compositional in complex quantified sentence [Tarski, by Kirkham]
Tarski gave axioms for satisfaction, then derived its explicit definition, which led to defining truth [Tarski, by Davidson]
3. Truth / F. Semantic Truth / 2. Semantic Truth
Tarski made truth respectable, by proving that it could be defined [Tarski, by Halbach]
Tarski defined truth for particular languages, but didn't define it across languages [Davidson on Tarski]
Tarski didn't capture the notion of an adequate truth definition, as Convention T won't prove non-contradiction [Halbach on Tarski]
Tarski says that his semantic theory of truth is completely neutral about all metaphysics [Tarski, by Haack]
Physicalists should explain reference nonsemantically, rather than getting rid of it [Tarski, by Field,H]
A physicalist account must add primitive reference to Tarski's theory [Field,H on Tarski]
Tarski had a theory of truth, and a theory of theories of truth [Tarski, by Read]
Tarski's 'truth' is a precise relation between the language and its semantics [Tarski, by Walicki]
Tarskian truth neglects the atomic sentences [Mulligan/Simons/Smith on Tarski]
3. Truth / G. Axiomatic Truth / 1. Axiomatic Truth
Tarski's had the first axiomatic theory of truth that was minimally adequate [Tarski, by Horsten]
Tarski defined truth, but an axiomatisation can be extracted from his inductive clauses [Tarski, by Halbach]
5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic
Identity is invariant under arbitrary permutations, so it seems to be a logical term [Tarski, by McGee]
5. Theory of Logic / F. Referring in Logic / 1. Naming / c. Names as referential
A name denotes an object if the object satisfies a particular sentential function [Tarski]
5. Theory of Logic / I. Semantics of Logic / 1. Semantics of Logic
Tarski built a compositional semantics for predicate logic, from dependent satisfactions [Tarski, by McGee]
Tarksi invented the first semantics for predicate logic, using this conception of truth [Tarski, by Kirkham]
5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
The object language/ metalanguage distinction is the basis of model theory [Tarski, by Halbach]
5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox
Tarski avoids the Liar Paradox, because truth cannot be asserted within the object language [Tarski, by Fisher]
6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / a. Units
Two can't be a self-contained unit, because it would need to be one to do that [Democritus, by Aristotle]
6. Mathematics / C. Sources of Mathematics / 7. Formalism
Tarski's theory of truth shifted the approach away from syntax, to set theory and semantics [Feferman/Feferman on Tarski]
7. Existence / A. Nature of Existence / 3. Being / a. Nature of Being
True Being only occurs when it is completely full, with atoms and no void [Democritus, by Aristotle]
7. Existence / A. Nature of Existence / 3. Being / d. Non-being
Being does not exist more than non-being [Democritus, by Aristotle]
The non-existent exists as much as the existent, because it has causal powers [Democritus]
7. Existence / A. Nature of Existence / 3. Being / e. Being and nothing
The 'real being' of things is a nothingness constructed from contradictions in the actual world [Nietzsche]
7. Existence / A. Nature of Existence / 3. Being / g. Particular being
The only distinctions are Configuration (shape), Disposition (order) and Turning (position) [Democritus, by Aristotle]
7. Existence / A. Nature of Existence / 3. Being / h. Dasein (being human)
We get the concept of 'being' from the concept of the 'ego' [Nietzsche]
7. Existence / B. Change in Existence / 1. Nature of Change
Nothing comes from non-existence, or passes into it [Democritus, by Diog. Laertius]
7. Existence / D. Theories of Reality / 4. Anti-realism
The grounds for an assertion that the world is only apparent actually establish its reality [Nietzsche]
7. Existence / E. Categories / 5. Category Anti-Realism
It is not possible to know what sort each thing is [Democritus]
9. Objects / A. Existence of Objects / 6. Nihilism about Objects
In language we treat 'ego' as a substance, and it is thus that we create the concept 'thing' [Nietzsche]
9. Objects / B. Unity of Objects / 1. Unifying an Object / b. Unifying aggregates
Democritus denies reality to large objects, because atomic entities can't combine to produce new ones [Benardete,JA on Democritus]
9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined
Democritus said that substances could never be mixed, so atoms are the substances [Democritus, by Aristotle]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / a. Qualities in perception
Sensible qualities can't be real if they appear different to different creatures [Democritus, by Theophrastus]
12. Knowledge Sources / B. Perception / 3. Representation
Man is separated from reality [Democritus]
12. Knowledge Sources / B. Perception / 6. Inference in Perception
The evidence of the senses is falsified by reason [Nietzsche]
12. Knowledge Sources / C. Rationalism / 1. Rationalism
All evidence comes from senses, so they are indispensable to the mind [Democritus]
Obscure knowledge belongs to the five senses, and genuine knowledge is the other type [Democritus]
13. Knowledge Criteria / D. Scepticism / 1. Scepticism
Democritus says there is either no truth, or it is concealed from us [Democritus, by Aristotle]
We actually know nothing, and opinions are mere flux [Democritus]
We in fact know nothing, but we each restructure our reality with beliefs [Democritus]
It is obviously impossible to understand the reality of each thing [Democritus]
We know nothing in reality; for truth lies in an abyss [Democritus]
14. Science / D. Explanation / 2. Types of Explanation / g. Causal explanations
Democritus was devoted to discovering causal explanations [Democritus, by Eusebius]
14. Science / D. Explanation / 4. Explanation Doubts / b. Rejecting explanation
Any explanation will be accepted as true if it gives pleasure and a feeling of power [Nietzsche]
15. Nature of Minds / A. Nature of Mind / 2. Psuche
Democritus says soul consists of smooth round bodies brought together in accidental collision [Democritus, by Cicero]
Atomists say soul has a rational part in the chest, and a diffused non-rational part [Democritus, by Aetius]
The soul is the same as the mind [Democritus, by Aristotle]
15. Nature of Minds / A. Nature of Mind / 7. Animal Minds
Animals have a share of reason [Democritus, by Porphyry]
15. Nature of Minds / A. Nature of Mind / 8. Brain
The directive centre is located in the whole head [Democritus, by Ps-Plutarch]
15. Nature of Minds / C. Capacities of Minds / 5. Generalisation by mind
The 'highest' concepts are the most general and empty concepts [Nietzsche]
16. Persons / E. Rejecting the Self / 2. Self as Social Construct
There are no 'individual' persons; we are each the sum of humanity up to this moment [Nietzsche]
16. Persons / F. Free Will / 6. Determinism / a. Determinism
Democritus said everything happens of necessity, by natural motion of atoms [Democritus, by Cicero]
Some say there is a determinate cause for every apparently spontaneous event [Democritus, by Aristotle]
Democritus said atoms only move by their natural motions, which are therefore necessary [Democritus, by Cicero]
17. Mind and Body / E. Mind as Physical / 1. Physical Mind
Democritus says spherical atoms are fire, and constitute the soul [psuche] [Democritus, by Aristotle]
Democritus says the soul is the body, and thinking is thus the mixture of the body [Democritus, by Theophrastus]
18. Thought / A. Modes of Thought / 5. Rationality / b. Human rationality
The fanatical rationality of Greek philosophy shows that they were in a state of emergency [Nietzsche]
20. Action / B. Preliminaries of Action / 2. Willed Action / a. Will to Act
The big error is to think the will is a faculty producing effects; in fact, it is just a word [Nietzsche]
20. Action / C. Motives for Action / 1. Acting on Desires
Pleasure and pain guide our choices of good and bad [Democritus]
20. Action / C. Motives for Action / 3. Acting on Reason / b. Intellectualism
The 'motive' is superficial, and may even hide the antecedents of a deed [Nietzsche]
21. Aesthetics / A. Aesthetic Experience / 3. Taste
Taste is the capacity to judge an object or representation which is thought to be beautiful [Tarski, by Schellekens]
21. Aesthetics / A. Aesthetic Experience / 5. Natural Beauty
The beautiful never stands alone; it derives from man's pleasure in man [Nietzsche]
21. Aesthetics / B. Nature of Art / 8. The Arts / a. Music
Without music life would be a mistake [Nietzsche]
22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / a. Preconditions for ethics
Healthy morality is dominated by an instinct for life [Nietzsche]
22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / f. Ethical non-cognitivism
Philosophers hate values having an origin, and want values to be self-sufficient [Nietzsche]
There are no moral facts, and moralists believe in realities which do not exist [Nietzsche]
22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / g. Moral responsibility
The doctrine of free will has been invented essentially in order to blame and punish people [Nietzsche]
22. Metaethics / B. Value / 2. Values / c. Life
The value of life cannot be estimated [Nietzsche]
When we establish values, that is life itself establishing them, through us [Nietzsche]
In every age the wisest people have judged life to be worthless [Nietzsche]
A philosopher fails in wisdom if he thinks the value of life is a problem [Nietzsche]
Value judgements about life can never be true [Nietzsche]
To evaluate life one must know it, but also be situated outside of it [Nietzsche]
22. Metaethics / B. Value / 2. Values / d. Health
Wisdom creates a healthy passion-free soul [Democritus]
22. Metaethics / B. Value / 2. Values / g. Love
Love is the spiritualisation of sensuality [Nietzsche]
22. Metaethics / C. The Good / 1. Goodness / d. Good as virtue
A good human will be virtuous because they are happy [Nietzsche]
22. Metaethics / C. The Good / 1. Goodness / f. Good as pleasure
Happiness is identifying and separating the pleasures [Democritus, by Stobaeus]
22. Metaethics / C. The Good / 2. Happiness / c. Value of happiness
Only the English actually strive after happiness [Nietzsche]
23. Ethics / A. Egoism / 1. Ethical Egoism
A wholly altruistic morality, with no egoism, is a thoroughly bad thing [Nietzsche]
23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / f. The Mean
Contentment comes from moderation and proportion in life [Democritus, by Stobaeus]
23. Ethics / C. Virtue Theory / 3. Virtues / d. Courage
Military idea: what does not kill me makes me stronger [Nietzsche]
23. Ethics / C. Virtue Theory / 3. Virtues / f. Compassion
Invalids are parasites [Nietzsche]
23. Ethics / C. Virtue Theory / 4. External Goods / c. Wealth
Democritus says wealth is a burden to the virtuous mind [Democritus, by Seneca]
24. Political Theory / D. Ideologies / 5. Democracy / f. Against democracy
Democracy is organisational power in decline [Nietzsche]
24. Political Theory / D. Ideologies / 6. Liberalism / g. Liberalism critique
The creation of institutions needs a determination which is necessarily anti-liberal [Nietzsche]
25. Social Practice / D. Justice / 1. Basis of justice
True justice is equality for equals and inequality for unequals [Nietzsche]
25. Social Practice / E. Policies / 1. War / a. Just wars
To renounce war is to renounce the grand life [Nietzsche]
25. Social Practice / E. Policies / 5. Education / c. Teaching
There is a need for educators who are themselves educated [Nietzsche]
25. Social Practice / F. Life Issues / 4. Suicide
Sometimes it is an error to have been born - but we can rectify it [Nietzsche]
26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / c. Purpose denied
'Purpose' is just a human fiction [Nietzsche]
26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / g. Atomism
Atoms cling together, until a stronger necessity disperses them [Democritus, by Aristotle]
Atoms are irregular, hooked, concave, convex, and many other shapes [Democritus, by Aristotle]
There could be an atom the size of the world [Democritus, by Ps-Plutarch]
There must be atoms, to avoid the absurdity of infinite division down to nothing [Democritus, by Aristotle]
Experiences are merely convention; only atoms and the void are real [Democritus]
The basic atoms are without qualities - which only arise from encounters between atoms [Democritus, by Galen]
If a cone is horizontally sliced the surfaces can't be equal, so it goes up in steps [Democritus]
'Full' and 'Void' secularised Parmenides's Being and Not-being [Democritus, by Heisenberg]
Atomists say there are only three differences - in shape, arrangement and position [Democritus, by Aristotle]
If only atoms are real and the rest is convention, we wouldn't bother to avoid pain [Democritus, by Diogenes of Oen.]
When atoms touch, why don't they coalesce, like water drops? [Aristotle on Democritus]
Because appearance is infinitely varied, atomists assume infinitely many shapes of atom [Democritus, by Aristotle]
26. Natural Theory / D. Laws of Nature / 1. Laws of Nature
Greeks explained regularity by intellectual design, not by laws [Democritus, by Frede,M]
27. Natural Reality / C. Space / 1. Void
Democritus is wrong: in a void we wouldn't see a distant ant in exact detail [Aristotle on Democritus]
Movement is impossible in a void, because nothing can decide the direction of movement [Aristotle on Democritus]
Growth and movement would not exist if there were no void to receive them [Democritus]
27. Natural Reality / E. Cosmology / 1. Cosmology
There are unlimited worlds of varying sizes, some without life or water [Democritus, by Hippolytus]
28. God / B. Proving God / 2. Proofs of Reason / b. Ontological Proof critique
The supreme general but empty concepts must be compatible, and hence we get 'God' [Nietzsche]
28. God / B. Proving God / 3. Proofs of Evidence / c. Teleological Proof critique
Democritus said people imagined gods as the source of what awed or frightened them [Democritus, by Sext.Empiricus]
28. God / C. Attitudes to God / 5. Atheism
By denying God we deny human accountability, and thus we redeem the world [Nietzsche]
29. Religion / B. Monotheistic Religion / 4. Christianity / a. Christianity
How could the Church intelligently fight against passion if it preferred poorness of spirit to intelligence? [Nietzsche]
Christians believe that only God can know what is good for man [Nietzsche]
29. Religion / D. Religious Issues / 2. Immortality / a. Immortality
The soul is destroyed with the body [Democritus, by Ps-Plutarch]
29. Religion / D. Religious Issues / 2. Immortality / d. Heaven
People who disparage actual life avenge themselves by imagining a better one [Nietzsche]