the group of all the permutations of a set of unlike entities.
| 单词 | θ141062 | 
| 释义 | the mind > mental capacity > philosophy > logic > predicate or propositional logic > 			[noun]		 > set theory or extension > symmetric group or difference (3)		 symmetric group1897 the group of all the permutations of a set of unlike entities. symmetric difference1936 see quot. 1936. symmetrical difference1978 Mathematics and Logic. symmetrical difference = symmetric difference n. at symmetric, adj. compounds. | 
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