typecode = SBML_INITIAL_ASSIGNMENT
| Version 1 | Version 2 | 
| The InitialAssignment component is not part of SBML Level 1 Version 1 | The InitialAssignment component is not part of SBML Level 1 Version 2 | 
| Version 1 | Version 2 | ||||||||||||||||
| The InitialAssignment component is not part of SBML Level 2 Version 1 | 
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| Version 3 | Version 4 | ||||||||||||||||||||||||||||||||
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| Version 1 | ||||||||||||||||
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