Iota

For other uses, see Iota (disambiguation).

Iota (uppercase/lowercase Ι ι), is the letter of the Greek alphabet, used to represent the "i" sound in Ancient and Modern Greek. In the system of Greek numerals, it has a value of 10. Letters that came from it include the Roman I and Cyrillic І.

In mathematics, the lowercase is used to represent the inclusion function in set theory. The term "iota" is also used to refer to an infinitesimal amount or an insignificant quantity.

References

  1. ↑ "Greek/Hebrew/Latin-based Symbols in Mathematics". Math Vault. 2020-03-20. Retrieved 2020-10-06.
  2. ↑ "Definition of IOTA". www.merriam-webster.com. Retrieved 2020-10-06.
  3. ↑ "Iota Symbol in Greek Alphabet". www.greeksymbols.net. Retrieved 2020-10-06.