I0

I0 or I-0 (the letter "I" followed by the digit "0", zero) may refer to:

Axiom I0, a rank-into-rank axiom in set theory
I-0 (video game), a piece of interactive fiction written by Adam Cadre

See also[edit]

IO (disambiguation) (the letter "I" followed by the letter "O")
10 (disambiguation) (the digit "1" followed by the digit "0")
1O (disambiguation) (the digit "1" followed by the letter "O")

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