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(iv) nevertheless, "human beings must be able to conceive the observations."

Wiki Markup(v) This is possible because "we can in principle conceive \ -\- though not imagine \ -\- experiences \ [and thus observations\] radically different from any we could possibly have."

(vi) Thus verifiability can well serve as "a criterion of general meaning" (as distinct from empirical meaning, for which the only criterion can be "observational falsifiability"), provided it is "sufficiently liberalized to include non-human and superhuman experiences."

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