In the positivist tradition, it is common to dissolve certain ideas as being meaningless and not worth further consideration. Roughly, the statements corresponding to those elements of our mental experience that are neither identifiable with verifiable facts nor are derivable using logic are considered nonsense. So, within this framework, we can(if I am not missing anything), classify the contents of our thoughts into meaningful and meaningless aspects. Now, to which of these categories does the statements about 'qualia' fit? Is there no hard problem of consciousness, from a positivist perspective? Consider this statement "I am conscious of the blue sky now". Apparently, this is not a meaningless sentence. So, if it is meaningful how do I verify it. One could say that somebody put me inside an MRI while I am having that experience and show me the brain regions activations corresponding to that experience. Does this count as a verification? If so this verification is of a different kind, for in the usual sense, the verification involves the object about which the experience is based.