In evaluating a Social Security reform proposal, it is important to consider that increasing national saving is one criterion in assessing the extent to which the proposal achieves sustainable solvency.
Increasing national saving leads to a more sustainable solvency concerning Social Security reform. 
mnli hypothesis: Increasing national saving leads to a more sustainable solvency concerning Social Security reform.  premise: In evaluating a Social Security reform proposal, it is important to consider that increasing national saving is one criterion in assessing the extent to which the proposal achieves sustainable solvency.