an Entity in Data Space: 134.155.108.49:8890
Giv is Joyce's name for the one-argument Ackermann function, A(4), a contraction of the two-argument function, A(4, 4), a contraction of the three-argument function, g(5, 4, 4) = g(6, 2, 4), four-hexated-to-the-second.