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| abstraction > hypothesis > theory > unified theory > supersymmetry > supergravity > eleven-dimensional supergravity | 
| eleven-dimensional supergravity comparison table | ||
| Subject | is a kind of | has definition | 
|---|---|---|
| supergravity | supersymmetry | Class of point-particle theories combining general relativity and supersymmetry | 
| eleven-dimensional supergravity | supergravity | Promising higher-dimensional supergravity theory developed in the 1970s, subsequently ignored, and more recently shown to be an important part of string theory. | 
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