 Minimality  allows for a wide variety of interesting modal connections within the class of perfectly natural properties, so long as they do not take the specific form of a supervenience claim. Many authors have been attracted towards much more sweeping claims of modal independence, often inspired by the Humean slogan “no necessary connections between distinct existences”. Lewis  (1986b)  defends a “principle of recombination” (see the entry on  possible worlds),  which entails, for example, that any two possibly-instantiated conjunctions of perfectly natural properties are possibly instantiated in the same world. Depending on how the principle is precisified, it may also entail that for any two possibly-instantiated conjunctions of perfectly natural monadic properties \(F\) and \(G\) and any perfectly natural binary relation \(R\) it is possible that an instance of \(F\) bears \(R\) to an instance of  \(G\).[35]  Some particularly far-reaching claims of this sort go by the name of “combinatorialism”: the idea is that all logically possible patterns in which any properties might be distributed are possibly instantiated by any given perfectly natural  properties.[36]  For example, since it is logically possible for there to be a monadic property with exactly seven instances and a binary relation that holds between any two of those instances, each perfectly natural property \(F\) and perfectly natural binary relation \(R\) are such that it is metaphysically possible for \(F\) to have exactly seven instances and \(R\) to hold between any two of  them.[37] 