Reduction as Grounding - The First Argument

It will prove useful to think of the predicate grounds and its variants as expressions whose definitions have to correspond to a number of uses of other expressions that are taken from samples of ordinary, scientific, and philosophical discourse, which, under an appropriate interpretation, inform the job-description. Schaffer suggests the following list (i) the entity and its singleton, (ii) the Swiss cheese and its holes, (iii) natural features and moral features, (iv) sparse properties and abundant properties, and (v) truthmakers and truths. (Schaffer 2009, 375) 

These samples comply with the job description already mentioned, in slogan form Grounding reconciles diversity and directionality with committal unity (that it is an atemporal or synchronic relation should go without saying). This rough 

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