 RCA.  An object \(x\) is disposed to \(M\) when \(C\) iff \(x\) has an intrinsic property \(B\) such that, if it were the case that \(C\), and if \(x\) were to retain \(B\) for a sufficient time, then \(C\) and \(B\) would jointly cause \(x\) to \(M\).