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abstraction > hypothesis > theory > unified theory > supersymmetry > supergravity

supergravity
subject			fact

supergravity	has definition A supersymmetric theory of gravity in which the graviton is accompanied by a spin-3/2 particle called the "gravitino". In supergravity theories, supersymmetry has been promoted to the status of a local gauge symmetry.
	has definition Class of point-particle theories combining general relativity and supersymmetry
	is a kind of supersymmetry
theory	has validity correct or incorrect with caveats
	has author or reasearch group
	has domain a field of research
	has date or a range of dates for which the theory was active

Kinds of supergravity :

• eleven-dimensional supergravity (2 facts) - Promising higher-dimensional supergravity theory developed in the 1970s, subsequently ignored, and more recently shown to be an important part of string theory.
• higher-dimensional supergravity (2 facts) - Class of supergravity theories in more than four spacetime dimensions.