def x_sel
import bend-osdev-gf@0.1.1.0/PROOF.bend as PROOFimport Base
import bend-osdev-gf@0.1.1.0/gf.bend as G
374def x_sel(+t: Bool, +u: G.Gf8Bits, +p: G.Gf8Bits) -> {G.Gf8Bits.x(G.Gf8Bits.sel(t, u), p) == G.Gf8Bits.sel(t, G.Gf8Bits.x(u, p)) : G.Gf8Bits}:
375 match t:
376 case True{}:
377 {==}
378 case False{}:
379 x_zero(p)