## SchoutenAllowNegativeGain

`SchoutenAllowZeroGain` is an option for `FCSchoutenBruteForce` and other functions that attempt to simplify the input expression by applying Schouten's identity. It is similar to `SchoutenAllowZeroGain` with the difference that even transformations that increase the total number of terms might be applied in an attempt to arrive at a shorter expressions at a later stage.

### See also

[Overview](Extra/FeynCalc.md), [FCSchoutenBruteForce](FCSchoutenBruteForce.md).

### Examples