def gt.log_lt
import bend-osdev-gf@0.1.1.0/proof_tab.bend as ProofTabimport Base
import bend-osdev-gf@0.1.1.0/gf.bend as G
182def gt.log_lt(+f: G.Gf8Field, +a: U32) -> {Nat.is_lt(G.Gf8.log(f, a), 255n) == True{} : Bool}:
183 gt.log_go_lt(254n, U32.is_eq(1, G.Gf8.elt(a)), f, G.Gf8.elt(a), 1, 0n)