def cg_con
import bendtorch@1.3.0.0/PROOF.bend as PROOFimport Base
import bendtorch@1.3.0.0/main.bend as T
355def cg_con(-m: Nat, -x: T.FS, -t: List<&1, T.FS>, -acc: List<&1, T.FS>, r: CGR<m, t, x <> acc>) -> CGR<1n+m, x <> t, acc>:
356 match r:
357 case CGR{hh, same, cat}:
358 CGR{hh, same, cat}