not both
Definitions
A logical operator or condition where at least one of two propositions must be false.
The exclusion of the possibility that two specific items or states are simultaneously true.
Examples
You can have a salad or a soup, but not both.
The candidate is intelligent and experienced, but not both at the same time.
We can choose to go to the beach or the mountains, but not both.
Synonyms
nand exclusive disjoint incompatible alternative mutually exclusive