The phrase "a single symbol" is correct and usable in written English.
You can use it when referring to one specific character or mark that represents something, often in contexts like mathematics, programming, or linguistics.
Example: "In programming, a single symbol can often represent a complex operation."
Alternatives: "one character" or "a lone sign".
Although a block could consist of a single symbol, normally it is larger.
It's not about Krugman, but he in a single symbol brilliantly exemplifies the conspiracy to keep you poor and stupid, which is the name of my book".
It also reduces the core values of the progressive movement to a single symbol and constrains the debate on how to best achieve broader goals of social and economic equality.
In the 1990s there emerged a new form of graffiti, known as "tagging," which entailed the repeated use of a single symbol or series of symbols to mark territory.
If there is a single symbol of these colliding perspectives, a Benton Harbor Rorschach test, it's holes 7 though 9 of Harbor Shores, which stretch out across the dunes overlooking Lake Michigan.
"They are thus very similar to the subject of a lyric poem or a piece of music; with this difference that the poem or musical composition can develop in time, whereas the visual motive has to compress all conflicting or amplifying associations into a single symbol.
The feedback of S1 from the MBS to CPU2 allows a single-symbol detection as in[16].
The mathematical Pan-function is added to the constraints of energy of a single-symbol signal, the boundary conditions, and peak-to-average power ratio (PAPR) of signal.
It would appear that research has had limited success in designing high-rate codes while maintaining a single-symbol decodability at the destination.
Yet, it causes serious conceptual problems with students whether it represents a fraction or a single individual symbol (Tall, 1993, p. 19).
Within 4 months, the monkeys had learned how the task worked and were able to effectively add two symbols and compare the sum to a third, single symbol.
