Combining Philosophers

Ideas for Brand Blanshard, Linda Trinkaus Zagzebski and J Ladyman / D Ross

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10 ideas

13. Knowledge Criteria / A. Justification Problems / 2. Justification Challenges / b. Gettier problem
For internalists Gettier situations are where internally it is fine, but there is an external mishap [Zagzebski]
     Full Idea: In internalist theories the grounds for justification are accessible to the believer, and Gettier problems arise when there is nothing wrong with the internally accessible aspects of the situation, but there is a mishap inaccessible to the believer.
     From: Linda Trinkaus Zagzebski (Virtues of the Mind [1996], III 3.1)
     A reaction: I'm sure we could construct an internal mishap which the believer was unaware of, such as two confusions of the meanings of words cancelling one another out.
Gettier problems are always possible if justification and truth are not closely linked [Zagzebski]
     Full Idea: As long as the concept of knowledge closely connects the justification component and the truth component but permits some degree of independence between them, justified true belief will never be sufficient for knowledge.
     From: Linda Trinkaus Zagzebski (Virtues of the Mind [1996], III 3.1)
     A reaction: Out of context this sounds like an advertisement for externalism. Or maybe it just says we have to live with Gettier threats. Zagzebski has other strategies.
We avoid the Gettier problem if the support for the belief entails its truth [Zagzebski]
     Full Idea: The way to avoid the Gettier problem is to define knowledge in such a way that truth is entailed by the other component(s) of the definition.
     From: Linda Trinkaus Zagzebski (Virtues of the Mind [1996], III 3.1)
     A reaction: Thus she defines virtuous justification as being successful, as virtues tend to be. This smacks of cheating. Surely we can be defeated in a virtuous way? If the truth is entailed then of course Gettier can be sent packing.
Gettier cases arise when good luck cancels out bad luck [Zagzebski]
     Full Idea: The procedure for generating Gettier cases involves 'double luck': an instance of good luck cancels out an instance of bad luck.
     From: Linda Trinkaus Zagzebski (Virtues of the Mind [1996], III 3.2)
     A reaction: You can end up with the right answer in arithmetic if you make two mistakes rather than one. I'm picturing a life of one blundering error after another, which to an outsider seems to be going serenely well.
13. Knowledge Criteria / B. Internal Justification / 1. Epistemic virtues
Intellectual virtues are forms of moral virtue [Zagzebski]
     Full Idea: I argue that intellectual virtues are forms of moral virtue.
     From: Linda Trinkaus Zagzebski (Virtues of the Mind [1996], II Intro)
     A reaction: This contrasts with Sosa, who seems to think intellectual virtues are just the most efficient ways of reaching the truth. I like Zabzebski's approach a lot, though we are in a very small minority. I love her book. We have epistemic and moral duties.
Intellectual and moral prejudice are the same vice (and there are other examples) [Zagzebski]
     Full Idea: Maybe the intellectual and the moral forms of prejudice are the same vice, and this may also be true of other traits with shared names, such as humility, autonomy, integrity, perseverance, courage and trustworthiness.
     From: Linda Trinkaus Zagzebski (Virtues of the Mind [1996], II 3.1)
     A reaction: I find this claim very persuasive. The virtue of 'integrity' rather obviously embraces groups of both intellectually and morally desirable traits.
We can name at least thirteen intellectual vices [Zagzebski]
     Full Idea: Some examples of intellectual vices: pride, negligence, idleness, cowardice, conformity, carelessness, rigidity, prejudice, wishful thinking, closed-mindedness, insensitivity to detail, obtuseness (in seeing relevance), and lack of thoroughness.
     From: Linda Trinkaus Zagzebski (Virtues of the Mind [1996], II 3.1)
     A reaction: There are thousands of vices for which we don't have names, like thinking about football when you should be doing metaphysics. The other way round is also a vice too, because football needs concentration. Discontent with your chair is bad too.
A justified belief emulates the understanding and beliefs of an intellectually virtuous person [Zagzebski]
     Full Idea: A justified belief is what a person who is motivated by intellectual virtue, and who has the understanding of his cognitive situation a virtuous person would have, might believe in like circumstances.
     From: Linda Trinkaus Zagzebski (Virtues of the Mind [1996], II 6.1)
     A reaction: This is a whole-hearted definition of justification in terms of a theory of intellectual virtues. Presumably this would allow robots to have justified beliefs, if they managed to behave the way intellectually virtuous persons would behave.
A reliable process is no use without the virtues to make use of them [Zagzebski]
     Full Idea: It is not enough that a process is reliable; a person will not reliably use such a process without certain virtues.
     From: Linda Trinkaus Zagzebski (Virtues of the Mind [1996], II 4.1.2)
     A reaction: This is a point against Sosa's reliabilist account of virtues. Of course, all theories of epistemic justification (or of morality) will fail if people can't be bothered to implement them.
13. Knowledge Criteria / C. External Justification / 3. Reliabilism / b. Anti-reliabilism
Epistemic perfection for reliabilism is a truth-producing machine [Zagzebski]
     Full Idea: Just as a utility-calculating machine would be the ideal moral agent according to utilitarianism, a truth-producing machine would be the ideal epistemic agent according to reliabilism,
     From: Linda Trinkaus Zagzebski (Virtues of the Mind [1996], I 1.2)
     A reaction: Love this one! For consequentialists a successful robot is morally superior to an average human being. The reliabilist dream is just something that churns out truths. But what is the role of these truths in subsequent life?