Aspects of this topic are discussed in the following places at Britannica.
...are capable of seeing” is no basis for the conclusion that “blind men are capable of seeing.” This is a special case of the fallacy of secundum quid (more fully: a dicto simpliciter ad dictum secundum quid, which means “from a saying [taken too] simply to a saying according to what [it really is]”—i.e., according to its truth as...
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