|Sensation: ability to detect differences between own inner states related to stimuli. Sensations are fundamentally for perceptions and unlike them not linked to linguistic abilities. See also sensory impression, impression, perception, stimulation, stimuli, emotion, experience.|
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Sensation: let’s say that it is a contingent property of heat to cause these sensations in people? Finally, it is also contingent that there are people on this planet at all. So you do not know a priori which physical phenomenon produces this or that sensation.
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Sensation: A certain inventor (Franklin) could have existed without being an inventor.
But a particular sensation (pain) could not have existed without being a sensation.
Mental and physical: no mediator, but identity (KripkeVs)!
Sensation: mediators between external phenomenon and observer - mental and physical: identity thesis: no mediator, but identity (KripkeVs).
One can have such a sensation without the presence of heat. In the case of pain and other mental phenomena that is not possible.
Heat sensation is not equal to pain sensation.
Heat: rigid, reference is determined by accidental properties (sensation, even without heat, deception possible) - Pain: rigid, reference determined by essential properties: if it feels like pain, it is pain.
What God really has to do is turn this molecular movement into something that is perceived as heat! In order to do that, he must create some sentient beings. They can then go on and understand that the phrase "heat is the motion of molecules" expresses an a posteriori truth.
In the case of excitation of the C-fibers, God would additionally have to make us feel this excitement as pain, and not as a tickle or as heat or as nothing. The relation between the two phenomena is not the identity.
Name und Notwendigkeit Frankfurt 1981
S. A. Kripke
Outline of a Theory of Truth (1975)
Recent Essays on Truth and the Liar Paradox, R. L. Martin (Hg), Oxford/NY 1984