Combining Texts

All the ideas for 'What is Logic?st1=Ian Hacking', 'The Extended Mind' and 'Human, All Too Human'

expand these ideas     |    start again     |     specify just one area for these texts


71 ideas

1. Philosophy / A. Wisdom / 1. Nature of Wisdom
The highest wisdom has the guise of simplicity [Nietzsche]
1. Philosophy / D. Nature of Philosophy / 7. Despair over Philosophy
Deep thinkers know that they are always wrong [Nietzsche]
1. Philosophy / D. Nature of Philosophy / 8. Humour
Comedy is a transition from fear to exuberance [Nietzsche]
2. Reason / D. Definition / 3. Types of Definition
A decent modern definition should always imply a semantics [Hacking]
3. Truth / A. Truth Problems / 3. Value of Truth
Truth finds fewest champions not when it is dangerous, but when it is boring [Nietzsche]
3. Truth / A. Truth Problems / 7. Falsehood
Convictions, more than lies, are the great enemy of truth [Nietzsche]
4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / d. Basic theorems of PL
'Thinning' ('dilution') is the key difference between deduction (which allows it) and induction [Hacking]
Gentzen's Cut Rule (or transitivity of deduction) is 'If A |- B and B |- C, then A |- C' [Hacking]
Only Cut reduces complexity, so logic is constructive without it, and it can be dispensed with [Hacking]
5. Theory of Logic / A. Overview of Logic / 4. Pure Logic
The various logics are abstractions made from terms like 'if...then' in English [Hacking]
5. Theory of Logic / A. Overview of Logic / 5. First-Order Logic
First-order logic is the strongest complete compact theory with Löwenheim-Skolem [Hacking]
A limitation of first-order logic is that it cannot handle branching quantifiers [Hacking]
5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic
Second-order completeness seems to need intensional entities and possible worlds [Hacking]
5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
With a pure notion of truth and consequence, the meanings of connectives are fixed syntactically [Hacking]
5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic
Perhaps variables could be dispensed with, by arrows joining places in the scope of quantifiers [Hacking]
5. Theory of Logic / J. Model Theory in Logic / 3. Löwenheim-Skolem Theorems
If it is a logic, the Löwenheim-Skolem theorem holds for it [Hacking]
11. Knowledge Aims / A. Knowledge / 4. Belief / a. Beliefs
A notebook counts as memory, if is available to consciousness and guides our actions [Clark/Chalmers]
11. Knowledge Aims / B. Certain Knowledge / 1. Certainty
Being certain presumes that there are absolute truths, and means of arriving at them [Nietzsche]
12. Knowledge Sources / E. Direct Knowledge / 2. Intuition
Intuition only recognises what is possible, not what exists or is certain [Nietzsche]
15. Nature of Minds / A. Nature of Mind / 6. Anti-Individualism
A mechanism can count as 'cognitive' whether it is in the brain or outside it [Clark/Chalmers, by Rowlands]
If something in the world could equally have been a mental process, it is part of our cognition [Clark/Chalmers]
Consciousness may not extend beyond the head, but cognition need not be conscious [Clark/Chalmers]
16. Persons / C. Self-Awareness / 2. Knowing the Self
Just as skin hides the horrors of the body, vanity conceals the passions of the soul [Nietzsche]
16. Persons / D. Continuity of the Self / 2. Mental Continuity / a. Memory is Self
If a person relies on their notes, those notes are parted of the extended system which is the person [Clark/Chalmers]
20. Action / C. Motives for Action / 3. Acting on Reason / b. Intellectualism
People always do what they think is right, according to the degree of their intellect [Nietzsche]
Our judgment seems to cause our nature, but actually judgment arises from our nature [Nietzsche]
21. Aesthetics / A. Aesthetic Experience / 3. Taste
Why are the strong tastes of other people so contagious? [Nietzsche]
21. Aesthetics / B. Nature of Art / 4. Art as Expression
Artists are not especially passionate, but they pretend to be [Nietzsche]
22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / g. Moral responsibility
Nietzsche said the will doesn't exist, so it can't ground moral responsibility [Nietzsche, by Foot]
The history of morality rests on an error called 'responsibility', which rests on an error called 'free will' [Nietzsche]
Ceasing to believe in human responsibility is bitter, if you had based the nobility of humanity on it [Nietzsche]
It is absurd to blame nature and necessity; we should no more praise actions than we praise plants or artworks [Nietzsche]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / b. Rational ethics
Intellect is tied to morality, because it requires good memory and powerful imagination [Nietzsche]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / f. Übermensch
Originally it was the rulers who requited good for good and evil for evil who were called 'good' [Nietzsche]
22. Metaethics / B. Value / 2. Values / f. Altruism
No one has ever done anything that was entirely for other people [Nietzsche]
22. Metaethics / B. Value / 2. Values / g. Love
Simultaneous love and respect are impossible; love has no separation or rank, but respect admits power [Nietzsche]
22. Metaethics / B. Value / 2. Values / h. Fine deeds
We get enormous pleasure from tales of noble actions [Nietzsche]
22. Metaethics / C. The Good / 2. Happiness / d. Routes to happiness
We can only achieve happy moments, not happy eras [Nietzsche]
23. Ethics / C. Virtue Theory / 1. Virtue Theory / b. Basis of virtue
First morality is force, then custom, then acceptance, then instinct, then a pleasure - and finally 'virtue' [Nietzsche]
23. Ethics / C. Virtue Theory / 1. Virtue Theory / d. Virtue theory critique
You are mastered by your own virtues, but you must master them, and turn them into tools [Nietzsche]
23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / c. Motivation for virtue
The 'good' man does the moral thing as if by nature, easily and gladly, after a long inheritance [Nietzsche]
23. Ethics / C. Virtue Theory / 3. Virtues / a. Virtues
All societies of good men give a priority to gratitude [Nietzsche]
23. Ethics / C. Virtue Theory / 3. Virtues / c. Justice
Justice (fairness) originates among roughly equal powers (as the Melian dialogues show) [Nietzsche]
23. Ethics / C. Virtue Theory / 3. Virtues / f. Compassion
Pity consoles those who suffer, because they see that they still have the power to hurt [Nietzsche]
Apart from philosophers, most people rightly have a low estimate of pity [Nietzsche]
23. Ethics / C. Virtue Theory / 4. External Goods / d. Friendship
Many people are better at having good friends than being a good friend [Nietzsche]
Women can be friends with men, but only some physical antipathy will maintain it [Nietzsche]
23. Ethics / E. Utilitarianism / 1. Utilitarianism
In Homer it is the contemptible person, not the harmful person, who is bad [Nietzsche]
23. Ethics / F. Existentialism / 1. Existentialism
We could live more naturally, relishing the spectacle, and not thinking we are special [Nietzsche]
23. Ethics / F. Existentialism / 4. Boredom
People do not experience boredom if they have never learned to work properly [Nietzsche]
23. Ethics / F. Existentialism / 5. Existence-Essence
Over huge periods of time human character would change endlessly [Nietzsche]
24. Political Theory / A. Basis of a State / 3. Natural Values / c. Natural rights
If self-defence is moral, then so are most expressions of 'immoral' egoism [Nietzsche]
24. Political Theory / B. Nature of a State / 1. Purpose of a State
The state aims to protect individuals from one another [Nietzsche]
24. Political Theory / B. Nature of a State / 5. Culture
Culture cannot do without passions and vices [Nietzsche]
24. Political Theory / D. Ideologies / 5. Democracy / b. Consultation
If we want the good life for the greatest number, we must let them decide on the good life [Nietzsche]
25. Social Practice / A. Freedoms / 1. Slavery
Slavery cannot be judged by our standards, because the sense of justice was then less developed [Nietzsche]
25. Social Practice / D. Justice / 2. The Law / a. Legal system
Laws that are well thought out, or laws that are easy to understand? [Nietzsche]
25. Social Practice / D. Justice / 3. Punishment / a. Right to punish
Execution is worse than murder, because we are using the victim, and really we are the guilty [Nietzsche]
25. Social Practice / E. Policies / 1. War / a. Just wars
People will enthusiastically pursue an unwanted war, once sacrifices have been made [Nietzsche]
25. Social Practice / E. Policies / 5. Education / a. Aims of education
Don't crush girls with dull Gymnasium education, the way we have crushed boys! [Nietzsche]
25. Social Practice / E. Policies / 5. Education / b. Education principles
Education in large states is mediocre, like cooking in large kitchens [Nietzsche]
Interest in education gains strength when we lose interest in God [Nietzsche]
25. Social Practice / E. Policies / 5. Education / c. Teaching
Teachers only gather knowledge for their pupils, and can't be serious about themselves [Nietzsche]
26. Natural Theory / D. Laws of Nature / 1. Laws of Nature
In religious thought nature is a complex of arbitrary acts by conscious beings [Nietzsche]
26. Natural Theory / D. Laws of Nature / 11. Against Laws of Nature
Modern man wants laws of nature in order to submit to them [Nietzsche]
29. Religion / A. Polytheistic Religion / 2. Greek Polytheism
The Greeks saw the gods not as their masters, but as idealised versions of themselves [Nietzsche]
29. Religion / B. Monotheistic Religion / 4. Christianity / a. Christianity
Science rejecting the teaching of Christianity in favour of Epicurus shows the superiority of the latter [Nietzsche]
The Sermon on the Mount is vanity - praying to one part of oneself, and demonising the rest [Nietzsche]
Christ was the noblest human being [Nietzsche]
Christ seems warm hearted, and suppressed intellect in favour of the intellectually weak [Nietzsche]
29. Religion / D. Religious Issues / 1. Religious Commitment / a. Religious Belief
Religion is tempting if your life is boring, but you can't therefore impose it on the busy people [Nietzsche]