ComfyNotNode - ComfyUI Built-in Node Documentation

The Not node performs a logical NOT operation on any input value.

The Not node performs a logical NOT operation on any input value. It returns True if the input value is considered falsy (like 0, empty string, None, False), and returns False if the input value is truthy. It uses Python’s standard rules for determining truthiness.

Inputs

Parameter	Description	Data Type	Required	Range
value	The input value to be inverted. Any data type is accepted and evaluated using Python’s truthiness rules.	ANY	Yes	Any value

Outputs

Output Name	Description	Data Type
output	The logical inverse of the input value. Returns True if the input is falsy, False if the input is truthy.	BOOLEAN

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