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Selecting left hand sides from assignments


Hi,



I need help on the following.



>From the list of assignments:

  

assignmentslist = {LHS1 = RHS1, LHS2 = RHS2, LHS3 = RHS3, ..., LHSi = RHSi,
..., LHSn = RSHn}



I need to extract all the left hand sides (symbols) within a list like:

  

lhslist = {LHS, LHS2, LHS3, ..., LHSi, ..., LHSn}



Where the left hand sides are all symbols and the right hand sides are any
expression.



E. Mart=EDn-Serrano


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