Whitehead's monadological rejection of vacuous actuality - the idea that something can exist actually without any subjective mediation - without any connection to anything else - has implications for his rejection of the thesis that subject-predicate form is a suitable structure for a proposition. The idea of vacuous actuality, he remarks, haunts realistic philosophy (P&R, 29 [43]). Its rejection is the basis of Ewing's formulation of idealism implying no epistemological idealism: the interconnectedness of all things means no dependence of the cognized object to the cognizing subject. Ewing suggests that Bradley and Joachim are not really correlationists - they could be metaphysicians of subjectivity. This is maybe why Whitehead claims that at the end of the day he is not too far away from Bradley (P&R, xiii): both reject vacuous actuality - and none are epistemological idealists.
The rejection of vacuous actuality is also the rejection of the Aristotelian primary substance - the inherent qualities to a subject that makes it capable to hold predicates. The haecceitas of a subject that subsists independently of any actual entity (of any sponsoring, of any com possibility). If there is no vacuous actuality, there is no unconnected noumenon to a subject, independent of any of its predications. Whitehead welcomes the holism of Leibniz (and of Bradley, but also the semantical counterpart put forward by Quine and his followers: no meaning independent of use, no distinction between language and theory). To fix something to be a subject for a predication - and enable a proposition to have the form of a subject coupled to a predicate - is to postulate that something is disconnected from the network of relations that provide the content of predications. To be sure, one can abstract something away of all changes, but this is a concerted effort undergone only by a subject. Whitehead claims that only in subjective forms the subject-predicate form expresses the content of a proposition.
Kant's note 24 to his Prolegomena: the structure of something fixed holding predication implies no substance, it is only an obligation imposed by the workings of predication. In my book (BUG, just finished), I claim that predication is possible because there are procedures of reference-fixing; that is, there are things that are contingently and yet knowable a priori. The operation of fixing something to receive the working out of a predication has to be done by a subject - it is only in the workings of a subjective form that a subject can be the guesthouse for passing predications. It is only then that anything can be deemed determinately individuated and sufficiently stable.
The rejection of vacuous actuality is also the rejection of the Aristotelian primary substance - the inherent qualities to a subject that makes it capable to hold predicates. The haecceitas of a subject that subsists independently of any actual entity (of any sponsoring, of any com possibility). If there is no vacuous actuality, there is no unconnected noumenon to a subject, independent of any of its predications. Whitehead welcomes the holism of Leibniz (and of Bradley, but also the semantical counterpart put forward by Quine and his followers: no meaning independent of use, no distinction between language and theory). To fix something to be a subject for a predication - and enable a proposition to have the form of a subject coupled to a predicate - is to postulate that something is disconnected from the network of relations that provide the content of predications. To be sure, one can abstract something away of all changes, but this is a concerted effort undergone only by a subject. Whitehead claims that only in subjective forms the subject-predicate form expresses the content of a proposition.
Kant's note 24 to his Prolegomena: the structure of something fixed holding predication implies no substance, it is only an obligation imposed by the workings of predication. In my book (BUG, just finished), I claim that predication is possible because there are procedures of reference-fixing; that is, there are things that are contingently and yet knowable a priori. The operation of fixing something to receive the working out of a predication has to be done by a subject - it is only in the workings of a subjective form that a subject can be the guesthouse for passing predications. It is only then that anything can be deemed determinately individuated and sufficiently stable.
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