Nov 29, I can’t help but leaving my reading of Frank Jackson’s Epiphenomenal Qualia with a sense of wonder and a grinning awe. This, independent of. Sep 3, Frank Jackson () formulates the intuition underlying his that knowledge about qualia is impossible if qualia are epiphenomenal and he. Oct 2, Jackson quotes are from “Epiphenomenal Qualia.” Jackson describes himself as “a qualia freak”. The word “qualia” is the plural of the word.

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The Modal argument works like this: Therefore, she does not learn any new fact. To locate the different points of disagreement it is helpful to formulate the stronger version of the argument more explicitly. Chalmers considers responses along the lines of the “ability hypothesis” objection described above to be the most promising objections, but unsuccessful: Jackson argues that if Mary does learn something new upon experiencing color, then physicalism is false.

There’s Something About Mary: Retrieved from ” https: These are the two most notable [ citation needed ] objections to Jackson’s thought experiment, and the claim it sets out to make.

Qualia: The Knowledge Argument

John epiphenomsnal well know that John is in Amsterdam but, having forgotten that he is himself John, he may fail to conclude that he is now in Amsterdam. But she still lacks the relevant items of knowledge about what other epiphenomenall experience: For example, Evan Thompson questioned the premise that Mary, simply by being confined to a monochromatic environment, would not have any color experiences, since she may be able to see color when dreaming, after rubbing her eyes, or in afterimages from light perception.

God, he even has a bit of fun with a parallel argument about ectoplasm. But ex hypothesithe Martian would be lacking completely in the sort of epiphenomenall and empathy which depends on familiarity direct acquaintance with the kinds of qualia to be imaged or empathized.


Lewis and Nemirow presuppose that Mary’s epistemic progress after release consists in the acquisition of framk what it is like e. Arguably a subject whose visual apparatus is not suited for visual experiences at all will not be able to develop the capacity to imagine colors on the basis of physical knowledge alone, even if this were true for Mary.

Frank Jackson, Latter Day Physicalist – The Philosophers’ Magazine

History of Western Philosophy. One may respond along the following lines: In other words, Jackson’s Mary is a scientist who knows everything there is to know about the science of color, but has never experienced color.

Prospects of Nonreductive PhysicalismA. That thought about science brings us neatly to another point against physicalism made by Jackson in his dualist days. He argues that, because when Mary first sees red, she says “wow”, it must be Mary’s qualia that causes her to say “wow”. According to Conee acquaintance constitutes a third category of knowledge that is neither reducible to factual knowledge nor to knowing-how and he argues that Mary acquires after release only acquaintance knowledge.

But the relation between the two claims is obvious. Well, what do you think? There are some facts about human color vision that Mary does not know before her release.

The knowledge argument is often cited as one of those anti-physicalist qualia-based arguments that are supposed to justify property dualism. A proponent of Lycan’s view could however respond along the following lines: These authors accept the first premise of both versions of the argument and the second premise of the first version as well, but they deny the second premise of the second version and insist that 2a does not imply 2b.

Color Thought experiments in philosophy of mind Color scientists.

Premise P1 Mary has complete physical knowledge about human color vision before her release. It is quite clear that an account of this intuitive idea has to be one of the ingredients of a dualist defense of the knowledge argument. But a few philosophers can be understood as objecting against precisely this apparently unproblematic step. In one mode of presentation Venus is given as the heavenly body visible late in the morning or some similar propertywhereas in the other mode of presentation the object is given as the heavenly body visble early in the evening.


One way to describe the two steps of epistemic progress is this: But if this description is correct, then her previous knowledge was incomplete for a detailed epiphwnomenal of Dennett’s argument involving the blue banana trick see Dale Well, she already had it.

We might want to know what color Fred experiences when looking at things that appear to him in that particular way. Originally published in Epiphenomalism is the view that at least some mental properties have no physical effects. Did Mary learn something or not?

Lycan’s account of Mary’s epistemic progress can be put, roughly, like this: As many have pointed out, the result epiphenomsnal the weaker version 3a does not imply jacksno result of quzlia stronger version 3b. Jackson seems to find the modal argument against physicalism less persuasive than the knowledge argument Chalmersmakes a similar point as White using his framework of primary and secondary intensions.

He first argues that none of these abilities is necessary and sufficient for ftank what it is like: To show that imaginative abilities are not necessary for knowing what it is like, Conee and Alter cite the example of a person who has no capacity to imagine having color experiences.

Metaphysical physicalism simply asserts that what there is, and all there is, is physical stuff and its relations.

I got a telephone call — this was before the days of email — from the psychology department at Monash University, asking me to give a lunchtime talk.

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