I saw a social media post announcing that 6+4=210, 10+2=812, 12+4=816,etc.
The + operator in this case denotes a function that maps the concatenation of the numeric symbols for the difference and the sum of two given numeric operands to an ordered pair of numeric operands. While it is true that conventional notations exist for some operations, anyone may provide an operational definition for any notationš Mathematics deals with definitions, axioms, lemmas and theorems.
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