Open texture and Classification
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Open texture and Classification book
Open texture seems, in fact, rather to be embodied in our general understandings. Applications of 'shorter than', for example, are made at any given time only down to a certain level of precision. We can, say, tell that one shelf is shorter than another if it is shorter by one half-inch or more; beneath the one half-inch level, our eye fails to distinguish. But we typically do not take such indistinguishability as incompatible with an actual difference in length; we suppose, rather, that if there is such a difference, it is inaccessible to us by our current procedure, i.e. inspection by the naked eye. In short, the case is deemed undecidable. Assuming limits to our discriminatory capacities at any given time, we are always prepared for the existence of indiscriminable but unequal pairs, allowing, to be sure, that further distinctions may eventually be made, below the level of current procedure. In sum, we presume open texture.