# LogicalNand

> Logical NAND!(s & d). D3D11.1 only.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.5/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
LogicalNand = 12
```

### Remarks

Performs logical NAND !(src & dest) operation. This mode is currently only available with D3D11 renderer on DX11.1 class hardware and DX runtime.