def li.con_tl
import bend-osdev-mode-core@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-mode-core@0.1.0.0/mode_core.bend as M
646def li.con_tl(+a: M.CmBlock, +s: List<&2, M.CmBlock>, +b: M.CmBlock, +t: List<&2, M.CmBlock>, +e: {Con{a, s} == Con{b, t} : List<&2, M.CmBlock>}) -> {s == t : List<&2, M.CmBlock>}:
647 %e : {s == cmp.tail(_) : List<&2, M.CmBlock>}
648 {==}