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Stronger/weaker/SchifferVsPsycho Functionalism/SchifferVsBlock: unlikely that there is a theory that is weak enough to be true of all believers - and strong enough to apply to any individual belief - (to define the conditions). - (E.g. for sighted and visually impaired). - Problem: there would have to be necessary conditions for belief defined. - Strong/((s): determines the details)/weak/((s) applicable to many cases).
Remnants of Meaning Cambridge 1987