## SmallVariable

`SmallVariable[me]` is the head of small (negligible) variables. This means any mass with this head can be neglected if it appears in a sum, but not as an argument of Passarino-Veltman (`PaVe`) functions or `PropagatorDenominator`.

### See also

[Overview](Extra/FeynCalc.md), [PaVe](PaVe.md), [PaVeReduce](PaVeReduce.md), [PropagatorDenominator](PropagatorDenominator.md).

### Examples