How to use roman numerals<br>Understand the concept of roman numerals. Roman numerals use fewer symbols than the number system you are used to. I is the number 1 (one), v is 5 (five), and x is 10 (ten), for example.
To write ten in roman numerals it uses fewer symbols than arabic numerals
Arabic numerals are what we use in modern times, so to write ten it would be a 1 and a 0, versus roman numerals where it is just an x. The system likely did not know what arabic numerals were.
( z1 use :ARG0 ( z2 write :ARG1 10 :instrument ( z3 numeral :mod ( z4 country :name ( z5 name :op "Rome" ) ) ) ) :ARG1 ( z6 have-quant :ARG1 ( z7 thing :ARG1-of ( z8 symbolize ) ) :ARG3 ( z9 less ) :ARG4 ( z10 numeral :mod ( z11 ethnic-group :name ( z12 name :op "Arab" ) ) ) ) )