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All the ideas for 'Properties and Predicates', 'Critique of Practical Reason' and 'Troubles with Functionalism'

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52 ideas

1. Philosophy / A. Wisdom / 1. Nature of Wisdom
Wisdom is knowing the highest good, and conforming the will to it [Kant]
     Full Idea: Wisdom, theoretically regarded, means the knowledge of the highest good and, practically, the conformability of the will to the highest good.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.V)
     A reaction: This seems a narrow account of wisdom, focusing entirely on goodness rather than truth. A mind that valued nothing but understood everything would have a considerable degree of wisdom, in the normal use of that word.
1. Philosophy / D. Nature of Philosophy / 3. Philosophy Defined
What fills me with awe are the starry heavens above me and the moral law within me [Kant]
     Full Idea: Two things fill the mind with ever new and increasing wonder and awe, the oftener and the more steadily we reflect on them: the starry heavens above me and the moral law within me.
     From: Immanuel Kant (Critique of Practical Reason [1788], Concl)
     A reaction: I am beginning to think that the two major issues of all philosophy are ontology and metaethics, and Kant is close to agreeing with me. He certainly wasn't implying that astronomy was a key aspect of philosophy.
1. Philosophy / D. Nature of Philosophy / 5. Aims of Philosophy / e. Philosophy as reason
Consistency is the highest obligation of a philosopher [Kant]
     Full Idea: Consistency is the highest obligation of a philosopher and yet the most rarely found.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.1.§3)
     A reaction: I agree with this, and it also strikes me as the single most important principle of Kant's philosophy, which is the key to his whole moral theory.
1. Philosophy / E. Nature of Metaphysics / 5. Metaphysics beyond Science
Metaphysics is just a priori universal principles of physics [Kant]
     Full Idea: Metaphysics only contains the pure a priori principles of physics in their universal import.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.VI)
     A reaction: 'Universal' seems to imply 'necessary'. If you thought that no a priori universal principles were possible, you would be left with physics. I quite like the definition, except that I think there would still be metaphysics even if there were no physics.
8. Modes of Existence / B. Properties / 2. Need for Properties
A property is merely a constituent of laws of nature; temperature is just part of thermodynamics [Mellor]
     Full Idea: Being a constituent of probabilistic laws of nature is all there is to being a property. There is no more to temperature than the thermodynamics and other laws they occur in.
     From: D.H. Mellor (Properties and Predicates [1991], 'Props')
     A reaction: How could thermodynamics be worked out without a prior concept of temperature? I think it is at least plausible to deny that there are any 'laws' of nature. But even Quine can't deny that some things are too hot to touch.
8. Modes of Existence / B. Properties / 10. Properties as Predicates
There is obviously a possible predicate for every property [Mellor]
     Full Idea: To every property there obviously corresponds a possible predicate applying to all and only those particulars with that property.
     From: D.H. Mellor (Properties and Predicates [1991], 'Intro')
     A reaction: This doesn't strike me as at all obvious. If nature dictates the properties, there may be vastly more than any human language could cope with. It is daft to say that a property can only exist if humanity can come up with a predicate for it.
8. Modes of Existence / D. Universals / 2. Need for Universals
We need universals for causation and laws of nature; the latter give them their identity [Mellor]
     Full Idea: I take the main reason for believing in contingent universals to be the roles they play in causation and in laws of nature, and those laws are what I take to give those universals their identity.
     From: D.H. Mellor (Properties and Predicates [1991], 'Props')
     A reaction: He agrees with Armstrong. Sounds a bit circular - laws are built on universals, and universals are identified by laws. It resembles a functionalist account of mental events. I think it is wrong. A different account of laws will be needed...
8. Modes of Existence / E. Nominalism / 3. Predicate Nominalism
If properties were just the meanings of predicates, they couldn't give predicates their meaning [Mellor]
     Full Idea: One reason for denying that properties just are the meanings of our predicates is that, if they were, they could not give our predicates their meanings.
     From: D.H. Mellor (Properties and Predicates [1991], 'Props')
     A reaction: Neither way round sounds quite right to me. Predicate nominalism is wrong, but what is meant by a property 'giving' a predicate its meaning? It doesn't seem to allow room for error in our attempts to name the properties.
10. Modality / C. Sources of Modality / 1. Sources of Necessity
Necessity cannot be extracted from an empirical proposition [Kant]
     Full Idea: It is a clear contradiction to try to extract necessity from an empirical proposition.
     From: Immanuel Kant (Critique of Practical Reason [1788], Pref)
     A reaction: This is precisely the idea which Kripke challenged, claiming that the necessary essences of natural kinds such as gold have to be discovered empirically. All my intuitions are with Kant (and Hume) on this, but it is a complex issue…
15. Nature of Minds / B. Features of Minds / 5. Qualia / a. Nature of qualia
Lobotomised patients can cease to care about a pain [Block]
     Full Idea: After frontal lobotomies, patients typically report that they still have pains, though the pains no longer bother them.
     From: Ned Block (Troubles with Functionalism [1978], p. 83)
     A reaction: I take this to be an endorsement of reductive physicalism, because what matters about pains is that they bother us, not how they feel, so frog pain could do the job, if it felt different from ours, but was disliked by the frog.
15. Nature of Minds / B. Features of Minds / 5. Qualia / c. Explaining qualia
A brain looks no more likely than anything else to cause qualia [Block]
     Full Idea: NO physical mechanism seems very intuitively plausible as a seat of qualia, least of all a brain.
     From: Ned Block (Troubles with Functionalism [1978], p. 78)
     A reaction: I'm not sure about "least of all", given the mind-boggling complexity of the brain's connections. Certainly, though, nothing in either folk physics or academic physics suggests that any physical object is likely to be aware of anything.
17. Mind and Body / B. Behaviourism / 2. Potential Behaviour
Behaviour requires knowledge as well as dispositions [Block]
     Full Idea: A desire cannot be identified with a disposition to act, since the agent might not know that a particular act leads to the thing desired, and thus might not be disposed to do it.
     From: Ned Block (Troubles with Functionalism [1978], p. 69)
     A reaction: One might have a disposition to act, but not in a particular way. "Something must be done". To get to the particular act, it seems that indeed a belief must be added to the desire.
17. Mind and Body / C. Functionalism / 1. Functionalism
In functionalism, desires are internal states with causal relations [Block]
     Full Idea: According to functionalism, a system might have the behaviouristic input-output relations, yet not desire something, as this requires internal states with certain causal relations.
     From: Ned Block (Troubles with Functionalism [1978], p. 69)
     A reaction: Such a system might be Putnam's 'superactor', who only behaves as if he desires something. Of course, the internal states might need more than just 'causal relations'.
Functionalism is behaviourism, but with mental states as intermediaries [Block]
     Full Idea: Functionalism is a new incarnation of behaviourism, replacing sensory inputs with sensory inputs plus mental states, and replacing dispositions to act with dispositions plus certain mental states.
     From: Ned Block (Troubles with Functionalism [1978], p. 69)
     A reaction: I think of functionalism as behaviourism which extends inside the 'black box' between stimulus and response. It proposes internal stimuli and responses. Consequently functionalism inherits some behaviourist problems.
You might invert colours, but you can't invert beliefs [Block]
     Full Idea: It is hard to see how to make sense of the analog of color spectrum inversion with respect to non-qualitative states such a beliefs (where they are functionally equivalent but have different beliefs).
     From: Ned Block (Troubles with Functionalism [1978], p. 81)
     A reaction: I would suggest that beliefs can be 'inverted', because there are all sorts of ways to implement a belief, but colour can't be inverted, because that depends on a particular brain state. It makes good sense to me...
17. Mind and Body / C. Functionalism / 8. Functionalism critique
Could a creature without a brain be in the right functional state for pain? [Block]
     Full Idea: If pain is a functional state, it cannot be a brain state, because creatures without brains could realise the same Turing machine as creatures with brains.
     From: Ned Block (Troubles with Functionalism [1978], p. 70)
     A reaction: This strikes me as being a poorly grounded claim. There may be some hypothetical world where brainless creatures implement all our functions, but from here brains look the only plausible option.
Not just any old functional network will have mental states [Block]
     Full Idea: If there are any fixed points in the mind-body problem, one of them is that the economy of Bolivia could not have mental states, no matter how it is distorted.
     From: Ned Block (Troubles with Functionalism [1978], p. 86)
     A reaction: It is hard to disagree with this, but then it can hardly be a serious suggestion that anyone could see how to reconfigure an economy so that it mapped the functional state of the human brain. This is not a crucial problem.
In functionalism, what are the special inputs and outputs of conscious creatures? [Block]
     Full Idea: In functionalism, it is very hard to see how there could be a single physical characterization of the inputs and outputs of all and only creatures with mentality.
     From: Ned Block (Troubles with Functionalism [1978], p. 87)
     A reaction: It would be theoretically possible if the only way to achieve mentality was to have a particular pattern of inputs and outputs. I don't think, though, that 'mentality' is an all-or-nothing concept.
17. Mind and Body / E. Mind as Physical / 7. Anti-Physicalism / b. Multiple realisability
Physicalism is prejudiced in favour of our neurology, when other systems might have minds [Block]
     Full Idea: Physicalism is a chauvinist theory: it withholds mental properties from systems that in fact have them.
     From: Ned Block (Troubles with Functionalism [1978], p. 71)
     A reaction: This criticism interprets physicalism too rigidly. There may be several ways to implement a state. My own view is that other systems might implement our functions, but they won't experience them in a human way.
18. Thought / B. Mechanics of Thought / 6. Artificial Thought / b. Turing Machines
Simple machine-functionalism says mind just is a Turing machine [Block]
     Full Idea: In the simplest Turing-machine version of functionalism (Putnam 1967), mental states are identified with the total Turing-machine state, involving a machine table and its inputs and outputs.
     From: Ned Block (Troubles with Functionalism [1978], p. 70)
     A reaction: This obviously invites the question of why mental states would be conscious and phenomenal, given that modern computers are devoid of same, despite being classy Turing machines.
A Turing machine, given a state and input, specifies an output and the next state [Block]
     Full Idea: In a Turing machine, given any state and input, the machine table specifies an output and the next state. …To have full power the tape must be infinite in at least one direction, and be movable in both directions.
     From: Ned Block (Troubles with Functionalism [1978], p. 71)
     A reaction: In retrospect, the proposal that this feeble item should be taken as a model for the glorious complexity and richness of human consciousness doesn't look too plausible.
19. Language / C. Assigning Meanings / 1. Syntax
Intuition may say that a complex sentence is ungrammatical, but linguistics can show that it is not [Block]
     Full Idea: Linguistics rejects (on theoretical grounds) the intuition that the sentence "the boy the girl the cat bit scratched died" is ungrammatical.
     From: Ned Block (Troubles with Functionalism [1978], p. 78)
     A reaction: Once we have disentangled it, we practical speakers have no right to say it is ungrammatical. It isn't only theory. The sentence is just stylistically infelicitous.
20. Action / B. Preliminaries of Action / 2. Willed Action / a. Will to Act
Can pure reason determine the will, or are empirical conditions relevant? [Kant]
     Full Idea: This is the first question: Is pure reason sufficient of itself to determine the will, or is it only as empirically conditioned that it can do so?
     From: Immanuel Kant (Critique of Practical Reason [1788], Intro)
     A reaction: This seems to be the core question of intellectualism, which goes back to Socrates. You can only accept the question if you accept the concept of 'pure' reason. Values seem to be needed for action, as well as empirical circumstances.
The will is the faculty of purposes, which guide desires according to principles [Kant]
     Full Idea: The will could be defined as the faculty of purposes, since they are always determining grounds of the faculty of desire according to principles.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.II)
     A reaction: Do animals have wills? Kant implies that you can only have a will if you have principles. Compare Hobbes' rather less elevated definition of the will (Idea 2362).
20. Action / C. Motives for Action / 3. Acting on Reason / a. Practical reason
The sole objects of practical reason are the good and the evil [Kant]
     Full Idea: The sole objects of a practical reason are thus those of the good and the evil.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.II)
     A reaction: Of course, you may aim to achieve x because it is good, while I judge x to be evil.
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / b. Rational ethics
Only human reason can confer value on our choices [Kant, by Korsgaard]
     Full Idea: Kant argues that only human reason is in a position to confer value on the objects of human choice.
     From: report of Immanuel Kant (Critique of Practical Reason [1788]) by Christine M. Korsgaard - Aristotle and Kant on the Source of Value 8 'Kant'
     A reaction: If the source of value is humans, then it is not immediately clear why it is only our reason that does the conferring. What is the status of a choice on which reason fails to confer value? The idea is that reason, unlike desire, has intrinsic value.
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / h. Expressivism
People cannot come to morality through feeling, because morality must not be sensuous [Kant]
     Full Idea: In the subject there is no antecedent feeling tending to morality; that is impossible, because all feeling is sensuous, and the drives of the moral disposition must be free from every sensuous condition.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.III)
     A reaction: I'm not quite clear (even after reading Kant) why moral drives 'must' be free of sensuousness. Aristotle gives a much better account, when he tells us that the sensuous drives must be trained in the right way, and must be in harmony with the reason.
22. Metaethics / B. Value / 1. Nature of Value / f. Ultimate value
Kant may rate two things as finally valuable: having a good will, and deserving happiness [Orsi on Kant]
     Full Idea: In some interpretations it appears that for Kant two things are finally valuable: good will (unconditionally), and deserved happiness (conditionally on the value of good will).
     From: comment on Immanuel Kant (Critique of Practical Reason [1788]) by Francesco Orsi - Value Theory 2.2
     A reaction: It doesn't sound difficult to reconcile these two. Just ask 'what is required of someone to deserve happiness?'.
An autonomous agent has dignity [Würde], which has absolute worth [Kant, by Pinkard]
     Full Idea: For Kant, there is something about beings that can act autonomously that is itself of 'absolute worth', which Kant calls the 'dignity' [Würde] of each such agent.
     From: report of Immanuel Kant (Critique of Practical Reason [1788]) by Terry Pinkard - German Philosophy 1760-1860 02
     A reaction: This answers my puzzle about where Kant's fundamental values come from. Surely wicked actions can be autonomous? Autonomous actions aren't thereby good actions. A 'good' will, course, whatever that is. Rational? My problem with existentialist ethics.
The good will is unconditionally good, because it is the only possible source of value [Kant, by Korsgaard]
     Full Idea: Kant argues that the good will is unconditionally good because it is the only thing able to be a source of value.
     From: report of Immanuel Kant (Critique of Practical Reason [1788]) by Christine M. Korsgaard - Aristotle and Kant on the Source of Value 8 'Kant'
     A reaction: The obvious worry is the circularity of resting a theory of value on identifying a 'good' will as its source.
Good or evil cannot be a thing, but only a maxim of action, making the person good or evil [Kant]
     Full Idea: If something is held to be absolutely good or evil in all respects and without qualification, it could not be a thing but only the manner of acting, i.e., it could only be the maxim of the will, and consequently the acting person himself is good or evil.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.II)
     A reaction: It goes on to deny that pain is intrinsically evil, but his reason for the claim is not clear. Nevetheless, I think he is right. This remark is an important bridge between Enlightenment concerns with law and Greek concerns with character.
22. Metaethics / C. The Good / 1. Goodness / g. Consequentialism
Morality involves duty and respect for law, not love of the outcome [Kant]
     Full Idea: All the morality of actions may be placed in their necessity from duty and from respect for the law, and not from love for or leaning toward that which the action is to produce.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.III)
     A reaction: Kant tries to reject consequentialism, but you cannot assess your duty or the universal law without an assessment of probable consequences, and we could never choose between laws if we did not already see value in the outcome.
22. Metaethics / C. The Good / 2. Happiness / a. Nature of happiness
Our happiness is all that matters, not as a sensation, but as satisfaction with our whole existence [Kant]
     Full Idea: Our happiness is the only thing of importance, provided this is judged, as reason requires, not according to transitory sensation but according to the influence which this contingency has on our whole existence and our satisfaction with it.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.II)
     A reaction: This is closer to the Greek eudaimonia than to the modern conception of happiness, which is largely just a feeling. Kant's view seems more like a private judgement on your whole life, where the Greek idea seems more public and objective.
Happiness is the condition of a rational being for whom everything goes as they wish [Kant]
     Full Idea: Happiness is the condition of a rational being in the world with whom everything goes according to his wish and will.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.V)
     A reaction: For such a sophisticated and rational philosopher this seems a rather crude notion. Reluctant alcoholics don't fit. Bradley has a much better definition (Idea 5655).
22. Metaethics / C. The Good / 2. Happiness / c. Value of happiness
Morality is not about making ourselves happy, but about being worthy of happiness [Kant]
     Full Idea: Morality is not properly the doctrine of how we should make ourselves happy, but how we should become worthy of happiness.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.V)
     A reaction: Whatever else you think of Kant's moral theory, this remark is a clarion call we can all recognise. Suppose we all somehow ended up in a state of maximal happiness by systematically betraying one another.
23. Ethics / C. Virtue Theory / 1. Virtue Theory / a. Nature of virtue
The highest worth for human beings lies in dispositions, not just actions [Kant]
     Full Idea: The highest worth which human beings can and should procure for themselves lies in dispositions and not in actions only.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.II)
     A reaction: This leaves the problem of the well-meaning fool, who has wonderful dispositions but poor judgement. What Kant is describing here is better known as virtue. See Idea 58.
Virtue is the supreme state of our pursuit of happiness, and so is supreme good [Kant]
     Full Idea: Virtue (as the worthiness to be happy) is the supreme condition of whatever appears to us to be desirable and thus of all our pursuit of happiness and, consequently, the supreme good.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II)
     A reaction: Thus Kant can claim to be a virtue theorist, but giving us a very different account of how virtue arises. He emphasises elsewhere (Idea 6197) that the supreme good must be in the will, not in the outcome. 'Virtue' is here a rather thin concept.
23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / c. Motivation for virtue
Moral law is holy, and the best we can do is achieve virtue through respect for the law [Kant]
     Full Idea: The moral law is holy (unyielding), although all the moral perfection to which man can attain is still only virtue, that is, a rightful disposition arising from respect for the law.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.V)
     A reaction: In comparison with Aristotle's view of virtue this is very passive and external. Aristotle doesn't need laws for virtue, he needs inner harmony and a grasp of what has high value.
23. Ethics / D. Deontological Ethics / 3. Universalisability
No one would lend money unless a universal law made it secure, even after death [Kant]
     Full Idea: If my maxim is 'augment my property by all safe means', I can't make that a law allowing me to keep a dead man's loan, because no one would make a loan if that were the moral law.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.1.§4)
     A reaction: This is a simple illustration of Kant's strategy and it shows clearly how, for all his talk of 'pure reason', his moral law is strongly guided by consequences, and that these can only judged by prior values - for example, that loans are a good thing.
Universality determines the will, and hence extends self-love into altruism [Kant]
     Full Idea: The form of universality is itself the determining ground of the will, …and from this limitation alone, and not from the addition of any exernal drive, the concept of obligation arises to extend the maxim of self-love also to the happiness of others.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.1.§8)
     A reaction: This is the heroic and optimistic part of Kant's philosophy, the attempt to derive altruism from pure reason. The claim seems to be that maxims don't motivate until they have been universalised. I fear that only altruism could add such motivation.
23. Ethics / D. Deontological Ethics / 5. Persons as Ends
Everyone (even God) must treat rational beings as ends in themselves, and not just as means [Kant]
     Full Idea: In the order of ends, man (and every rational being) is an end in himself, i.e., he is never to be used merely as a means for someone (even for God) without at the same time being himself an end.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.V)
     A reaction: The worry here is that Kant has set up an exam that you have to pass before you can be treated as a moral end. Animals and the ecosystem will fail the exam, and even some human beings will be borderline cases. We should respect everything.
23. Ethics / D. Deontological Ethics / 6. Motivation for Duty
A holy will is incapable of any maxims which conflict with the moral law [Kant]
     Full Idea: A holy will is one which is incapable of any maxims which conflict with the moral law
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.1.§7)
     A reaction: If such a will is 'incapable' of conflicting with moral law, it will not need to think or assess before action. This means that Kant's moral ideal can ultimately exclude the free-thinking intellect. Kant is describing a state of true Aristotelian virtue.
Reason cannot solve the problem of why a law should motivate the will [Kant]
     Full Idea: How a law in itself can be the direct motive of the will (which is the essence of morality) is an insoluble problem for the human reason.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.III)
     A reaction: If that is the great man's final word, then it is tempting to switch to an empirical moral theory, such as that of Hobbes or Hume or E.O. Wilson, which starts from what motivations are available, and builds morality up from that.
25. Social Practice / F. Life Issues / 4. Suicide
A permanent natural order could not universalise a rule permitting suicide [Kant]
     Full Idea: The maxim of freely disposing of my life could not hold as a universal law of nature, …because no one could choose to end his life, for such an arrangement could not constitute a permanent natural order.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.1.1.I)
     A reaction: This sort of claim brings out the advantanges of Aristotelian 'particularism' (expounded by Dancy). Obviously universal suicide isn't promising, but no one wants that. A few suicides in extreme cases will have no effect at all on the natural order.
26. Natural Theory / C. Causation / 8. Particular Causation / e. Probabilistic causation
Singular causation requires causes to raise the physical probability of their effects [Mellor]
     Full Idea: Singular causation entails physical probabilities or chances. ...Causal laws require causes to raise their effects' chances, as when fires have a greater chance of occurring when explosions do.
     From: D.H. Mellor (Properties and Predicates [1991], 'Props')
     A reaction: It seems fairly obvious that a probability can be increased without actually causing something. Just after a harmless explosion is a good moment for arsonists, especially if Mellor will be the investigating officer.
28. God / A. Divine Nature / 6. Divine Morality / b. Euthyphro question
Obligation does not rest on the existence of God, but on the autonomy of reason [Kant]
     Full Idea: It is not to be understood that the assumption of the existence of God is necessary as a ground for all obligation in general (for this rests, as has been shown, solely on the autonomy of reason itself).
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.V)
     A reaction: This shows that Kant agrees with Plato about the Euthyphro Question - that is, they both think that morality is logically and naturally prior to any gods. I agree. Why would we admire or worship or obey gods if we didn't think they were good?
28. God / B. Proving God / 2. Proofs of Reason / c. Moral Argument
We have to postulate something outside nature which makes happiness coincide with morality [Kant]
     Full Idea: The existence must be postulated of a cause of the whole of nature, itself distinct from nature, which contains the ground of the exact coincidence of happiness with morality.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.V)
     A reaction: I can see that we need a concept of how happiness could be made proportional to morality, but I can't make sense of the assumption that it is actually possible, and hence something must exist that would achieve it.
Belief in justice requires belief in a place for justice (heaven), a time (eternity), and a cause (God) [Kant, by PG]
     Full Idea: To believe in justice in an unjust world, you have to believe in a place of perfect justice (heaven), a time for perfect justice (eternity), and a cause of perfect justice (God).
     From: report of Immanuel Kant (Critique of Practical Reason [1788], I.II.II.V) by PG - Db (ideas)
     A reaction: Compare Boethius in Idea 5765. I can see that we might need to grasp the ideals of eternal justice in order to understand morality, but belief in their genuine possibility, or even actuality, doesn't seem to follow.
28. God / B. Proving God / 3. Proofs of Evidence / a. Cosmological Proof
To know if this world must have been created by God, we would need to know all other possible worlds [Kant]
     Full Idea: We can't infer the existence of God from knowledge of this world, because we should have to know all possible worlds in order to compare them - in short, we should have to be omniscient - in order to say that it is possible only through a God.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.VI)
     A reaction: A nice remark, but not wholly convincing. This argument would block all attempts to work out necessities a priori, such as those of maths and logic. Must we know all possible worlds intimately to know that 2+2 is always 4?
28. God / B. Proving God / 3. Proofs of Evidence / c. Teleological Proof critique
Using God to explain nature is referring to something inconceivable to explain what is in front of you [Kant]
     Full Idea: To have recourse to God in explaining the arrangements of nature is not a physical explanation but a confession that one has come to the end of philosophy, since one assumes something of which one has no concept to conceive what is before one's eyes.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.VI)
     A reaction: Hume had many objections to the design argument, some of them positively sarcastic, but none as ruthless as this, since Kant (here) seems to find God to be a totally empty concept, and hence a complete non-starter as explanation for anything.
From our limited knowledge we can infer great virtues in God, but not ultimate ones [Kant]
     Full Idea: Since we know only a small part of the world, and cannot compare it with all possible worlds, we can infer from the order, design and magnitude to a wise, beneficent and powerful Author, but not that He is all-knowing, all-good, and all-powerful.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.VI)
     A reaction: This is very much in the spirit of David Hume, who inferred from the flaws in the world that God did not seem to be entirely competent. Hume is also more imaginative, in seeing that God might be a committee, or a hired workman.
28. God / C. Attitudes to God / 4. God Reflects Humanity
In all naturalistic concepts of God, if you remove the human qualities there is nothing left [Kant]
     Full Idea: One can confidently challenge all pretended natural theologians to cite one single definitive attribute of their object, of which one could not irrefutably show that, when everything anthropomorphic is removed, only the word remains.
     From: Immanuel Kant (Critique of Practical Reason [1788], I.II.II.VI)
     A reaction: This idea derives from Hume's very empiricist view of our understanding of God (Idea 2185), but Kant is (remarkably) more hostile than Hume, because he actually implies that most people's concept of God is totally vacuous.