Nenten sekadi basa alami, inggian akeh anake prasida matehang kruna (sekadi banteng) antuk objek fisik sane kaanutang antuk angganyane, simbol matematika abstrak, nenten madue analog fisik.
Unlike natural language, where people can often equate a word (such as cow) with the physical object it corresponds to, mathematical symbols are abstract, lacking any physical analog.