BUILT-IN MATHEMATICA SYMBOL

UpValues

UpValues[f]
gives a list of transformation rules corresponding to all upvalues defined for the symbol f.

Details and Options Details and Options

You can specify the upvalues for f by making an assignment of the form UpValues[f]=list.
The list returned by UpValues has elements of the form HoldPattern[lhs]:>rhs.

Define upvalues for a symbol :

These are the upvalues associated with :

Out[2]=

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