Continuum fallacy
Also called: Sorites, Heap argument
Rejecting a distinction because there is no sharp line between the two ends.
How to spot it
Is “where exactly is the line?” offered as proof there's no difference?
Example
“There's no exact hour when day becomes night, so there's no difference.”
How to answer it
Blurry edges don't erase real differences at the extremes.
Related
- Equivocation: Using a word in two different senses within one argument.
- False dilemma: Presenting two options as if they were the only ones.