Combining Philosophers

All the ideas for Porphyry, Paul Benacerraf and Baron de Montesquieu

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109 ideas

1. Philosophy / D. Nature of Philosophy / 5. Aims of Philosophy / b. Philosophy as transcendent
Philosophy has its own mode of death, by separating soul from body [Porphyry]
6. Mathematics / A. Nature of Mathematics / 1. Mathematics
Mathematical truth is always compromising between ordinary language and sensible epistemology [Benacerraf]
6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / a. Numbers
Obtaining numbers by abstraction is impossible - there are too many; only a rule could give them, in order [Benacerraf]
We must explain how we know so many numbers, and recognise ones we haven't met before [Benacerraf]
There are no such things as numbers [Benacerraf]
Numbers can't be sets if there is no agreement on which sets they are [Benacerraf]
6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / c. Priority of numbers
If numbers are basically the cardinals (Frege-Russell view) you could know some numbers in isolation [Benacerraf]
Benacerraf says numbers are defined by their natural ordering [Benacerraf, by Fine,K]
6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / f. Cardinal numbers
To understand finite cardinals, it is necessary and sufficient to understand progressions [Benacerraf, by Wright,C]
A set has k members if it one-one corresponds with the numbers less than or equal to k [Benacerraf]
To explain numbers you must also explain cardinality, the counting of things [Benacerraf]
6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / c. Counting procedure
We can count intransitively (reciting numbers) without understanding transitive counting of items [Benacerraf]
Someone can recite numbers but not know how to count things; but not vice versa [Benacerraf]
6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / g. Applying mathematics
The application of a system of numbers is counting and measurement [Benacerraf]
6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / a. Axioms for numbers
For Zermelo 3 belongs to 17, but for Von Neumann it does not [Benacerraf]
The successor of x is either x and all its members, or just the unit set of x [Benacerraf]
6. Mathematics / B. Foundations for Mathematics / 6. Mathematics as Set Theory / b. Mathematics is not set theory
Disputes about mathematical objects seem irrelevant, and mathematicians cannot resolve them [Benacerraf, by Friend]
No particular pair of sets can tell us what 'two' is, just by one-to-one correlation [Benacerraf, by Lowe]
If ordinal numbers are 'reducible to' some set-theory, then which is which? [Benacerraf]
6. Mathematics / B. Foundations for Mathematics / 7. Mathematical Structuralism / a. Structuralism
An adequate account of a number must relate it to its series [Benacerraf]
If any recursive sequence will explain ordinals, then it seems to be the structure which matters [Benacerraf]
The job is done by the whole system of numbers, so numbers are not objects [Benacerraf]
The number 3 defines the role of being third in a progression [Benacerraf]
Number words no more have referents than do the parts of a ruler [Benacerraf]
Mathematical objects only have properties relating them to other 'elements' of the same structure [Benacerraf]
How can numbers be objects if order is their only property? [Benacerraf, by Putnam]
6. Mathematics / C. Sources of Mathematics / 1. Mathematical Platonism / b. Against mathematical platonism
Number-as-objects works wholesale, but fails utterly object by object [Benacerraf]
Realists have semantics without epistemology, anti-realists epistemology but bad semantics [Benacerraf, by Colyvan]
The platonist view of mathematics doesn't fit our epistemology very well [Benacerraf]
6. Mathematics / C. Sources of Mathematics / 5. Numbers as Adjectival
Number words are not predicates, as they function very differently from adjectives [Benacerraf]
6. Mathematics / C. Sources of Mathematics / 6. Logicism / d. Logicism critique
The set-theory paradoxes mean that 17 can't be the class of all classes with 17 members [Benacerraf]
8. Modes of Existence / C. Powers and Dispositions / 2. Powers as Basic
The presence of the incorporeal is only known by certain kinds of disposition [Porphyry]
8. Modes of Existence / D. Universals / 1. Universals
Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry]
9. Objects / B. Unity of Objects / 1. Unifying an Object / a. Intrinsic unification
Diversity arises from the power of unity [Porphyry]
9. Objects / F. Identity among Objects / 6. Identity between Objects
Identity statements make sense only if there are possible individuating conditions [Benacerraf]
12. Knowledge Sources / E. Direct Knowledge / 4. Memory
Memory is not conserved images, but reproduction of previous thought [Porphyry]
15. Nature of Minds / A. Nature of Mind / 1. Mind / c. Features of mind
Intelligence is aware of itself, so the intelligence is both the thinker and the thought [Porphyry]
15. Nature of Minds / A. Nature of Mind / 1. Mind / d. Location of mind
The soul is everywhere and nowhere in the body, and must be its cause [Porphyry]
16. Persons / C. Self-Awareness / 2. Knowing the Self
Successful introspection reveals the substrate along with the object of thought [Porphyry]
17. Mind and Body / A. Mind-Body Dualism / 1. Dualism
The soul is bound to matter by the force of its own disposition [Porphyry]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / e. Human nature
Justice is each person fulfilling his function [Porphyry]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / j. Ethics by convention
True goodness is political, and consists of love of and submission to the laws [Montesquieu]
22. Metaethics / B. Value / 2. Values / g. Love
We should avoid the pleasures of love, or at least, should not enact our dreams [Porphyry]
23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / c. Motivation for virtue
Civil virtues make us behave benevolently, and thereby unite citizens [Porphyry]
Civil virtues control the passions, and make us conform to our nature [Porphyry]
Purificatory virtues detach the soul completely from the passions [Porphyry]
23. Ethics / C. Virtue Theory / 3. Virtues / a. Virtues
There are practical, purificatory, contemplative, and exemplary virtues [Porphyry]
24. Political Theory / A. Basis of a State / 1. A People / b. The natural life
Primitive people would be too vulnerable and timid to attack anyone, so peace would reign [Montesquieu]
Men do not desire to subjugate one another; domination is a complex and advanced idea [Montesquieu]
24. Political Theory / A. Basis of a State / 1. A People / c. A unified people
People are drawn into society by needs, shared fears, pleasure, and knowledge [Montesquieu]
People are guided by a multitude of influences, from which the spirit of a nation emerges [Montesquieu]
24. Political Theory / A. Basis of a State / 2. Population / b. State population
In small republics citizens identify with the public good, and abuses are fewer [Montesquieu]
In a large republic there is too much wealth for individuals to manage it [Montesquieu]
24. Political Theory / A. Basis of a State / 4. Original Position / b. Veil of ignorance
The rich would never submit to a lottery deciding which part of their society should be slaves [Montesquieu]
24. Political Theory / B. Nature of a State / 1. Purpose of a State
All states aim at preservation, and then have distinctive individual purposes [Montesquieu]
24. Political Theory / C. Ruling a State / 2. Leaders / a. Autocracy
The natural power of a father suggests rule by one person, but that authority can be spread [Montesquieu]
24. Political Theory / C. Ruling a State / 2. Leaders / b. Monarchy
Monarchies can act more quickly, because one person is in charge [Montesquieu]
The nobility are an indispensable part of a monarchy [Montesquieu]
Monarchs must not just have links to the people; they need a body which maintains the laws [Montesquieu]
Ambition is good in a monarchy, because the monarch can always restrain it [Montesquieu]
In monarchies, men's actions are judged by their grand appearance, not their virtues [Montesquieu]
In a monarchy, the nobility must be hereditary, to bind them together [Montesquieu]
24. Political Theory / C. Ruling a State / 2. Leaders / c. Despotism
A despot's agents must be given power, so they inevitably become corrupt [Montesquieu]
Despotism and honour are incompatible, because honour scorns his power, and lives by rules [Montesquieu]
Tyranny is either real violence, or the imposition of unpopular legislation [Montesquieu]
The will of a despot is an enigma, so magistrates can only follow their own will [Montesquieu]
Despots are always lazy and ignorant, so they always delegate their power to a vizier [Montesquieu]
24. Political Theory / C. Ruling a State / 2. Leaders / d. Elites
If the nobility is numerous, the senate is the artistocracy, and the nobles are a democracy [Montesquieu]
Aristocracy is democratic if they resemble the people, but not if they resemble the monarch [Montesquieu]
Great inequality between aristocrats and the rest is bad - and also among aristocrats themselves [Montesquieu]
24. Political Theory / C. Ruling a State / 3. Government / a. Government
If a government is to be preserved, it must first be loved [Montesquieu]
A government has a legislature, an international executive, and a domestic executive [Montesquieu]
24. Political Theory / C. Ruling a State / 3. Government / b. Legislature
The judiciary must be separate from the legislature, to avoid arbitrary power [Montesquieu]
24. Political Theory / D. Ideologies / 5. Democracy / b. Consultation
The fundamental laws of a democracy decide who can vote [Montesquieu]
It is basic to a democracy that the people themselves must name their ministers [Montesquieu]
Voting should be public, so the lower classes can be influenced by the example of notable people [Montesquieu]
All citizens (apart from the very humble poor) should choose their representatives [Montesquieu]
24. Political Theory / D. Ideologies / 5. Democracy / c. Direct democracy
In a democracy the people should manage themselves, and only delegate what they can't do [Montesquieu]
A democratic assembly must have a fixed number, to see whether everyone has spoken [Montesquieu]
24. Political Theory / D. Ideologies / 5. Democracy / d. Representative democracy
If deputies represent people, they are accountable, but less so if they represent places [Montesquieu]
25. Social Practice / A. Freedoms / 1. Slavery
Slaves are not members of the society, so no law can forbid them to run away [Montesquieu]
Slavery is entirely bad; the master abandons the virtues, and they are pointless in the slave [Montesquieu]
The demand for slavery is just the masters' demand for luxury [Montesquieu]
25. Social Practice / A. Freedoms / 3. Free speech
Freedom of speech and writing, within the law, is essential to preserve liberty [Montesquieu]
25. Social Practice / A. Freedoms / 5. Freedom of lifestyle
Freedom in society is ability to do what is right, and not having to do what is wrong [Montesquieu]
25. Social Practice / B. Equalities / 1. Grounds of equality
No one even thinks of equality in monarchies and despotism; they all want superiority [Montesquieu]
Equality is not command by everyone or no one, but command and obedience among equals [Montesquieu]
25. Social Practice / B. Equalities / 2. Political equality
Democracy is corrupted by lack of equality, or by extreme equality (between rulers and ruled) [Montesquieu]
25. Social Practice / B. Equalities / 4. Economic equality
Democracies may sometimes need to restrict equality [Montesquieu]
Some equality can be achieved by social categories, combined with taxes and poor relief [Montesquieu]
25. Social Practice / D. Justice / 2. The Law / c. Natural law
Prior to positive laws there is natural equity, of obedience, gratitude, dependence and merit [Montesquieu]
Sensation gives animals natural laws, but knowledge can make them break them [Montesquieu]
25. Social Practice / D. Justice / 3. Punishment / a. Right to punish
The death penalty is permissible, because its victims enjoyed the protection of that law [Montesquieu]
If religion teaches determinism, penalties must be severe; if free will, then that is different [Montesquieu]
25. Social Practice / E. Policies / 1. War / d. Non-combatants
The only right victors have over captives is the protection of the former [Montesquieu]
25. Social Practice / E. Policies / 2. Religion in Society
The clergy are essential to a monarchy, but dangerous in a republic [Montesquieu]
Religion has the most influence in despotic states, and reinforces veneration for the ruler [Montesquieu]
Religion can support the state when the law fails to do so [Montesquieu]
French slavery was accepted because it was the best method of religious conversion [Montesquieu]
25. Social Practice / E. Policies / 5. Education / a. Aims of education
In monarchies education ennobles people, and in despotisms it debases them [Montesquieu]
25. Social Practice / E. Policies / 5. Education / c. Teaching
Teaching is the best practice of the general virtue that leads us to love everyone [Montesquieu]
26. Natural Theory / A. Speculations on Nature / 1. Nature
Unified real existence is neither great nor small, though greatness and smallness participate in it [Porphyry]
26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws
Laws are the necessary relations that derive from the nature of things [Montesquieu]
27. Natural Reality / D. Time / 1. Nature of Time / c. Idealist time
Time is the circular movement of the soul [Porphyry]
27. Natural Reality / D. Time / 1. Nature of Time / e. Eventless time
Some think time is seen at rest, as well as in movement [Porphyry]
28. God / A. Divine Nature / 2. Divine Nature
God is nowhere, and hence everywhere [Porphyry]
28. God / C. Attitudes to God / 2. Pantheism
Everything existing proceeds from divinity, and is within divinity [Porphyry]
29. Religion / D. Religious Issues / 2. Immortality / b. Soul
Nature binds or detaches body to soul, but soul itself joins and detaches soul from body [Porphyry]
Individual souls are all connected, though distinct, and without dividing universal Soul [Porphyry]