# sethood

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## Contents

## English[edit]

### Etymology[edit]

### Noun[edit]

**sethood** (*uncountable*)

- (mathematics) The state of being a set.
- William Van Ormen Quine (1969) Set Theory and Its Logic, →ISBN, page 302: “In the first edition I relativized the
**sethood**condition insufficiently, failing to restrict the bound variables to sets” - John Bigelow and Robert Pargetter (1990) Science and Necessity, →ISBN, page 368: “In fact, this can be used as a necessary condition for
**sethood**: a universal is a set only if any given thing instantiates it either in all possible worlds or in none.” - Yiannis N. Moschovakis (2006) Notes on Set Theory, →ISBN, page 111: “Each of (II)–(VI) grants
**sethood**to a specific, explicitly defined collection of objects, it legitimizes a special case of the most appealing (if false) General Comprehension Principle 3.3.”

- William Van Ormen Quine (1969) Set Theory and Its Logic, →ISBN, page 302: “In the first edition I relativized the