YES ---- CR(R) ---- R : left-linear, C : CR and CP-closing, and Cdup/R : SN R: F(H(x),y) -> G(H(x)) H(I(x)) -> I(x) F(I(x),y) -> G(I(x)) CP(R): F(I(___y12),___y14) -> G(H(I(___y12))) critical-pair-closing system C: F(H(x),y) -> G(H(x)) H(I(x)) -> I(x) F(I(x),y) -> G(I(x)) CR(C): see below. ---- CR(R) ---- R : linear and strongly closed [Huet, 1980] R: F(H(x),y) -> G(H(x)) H(I(x)) -> I(x) F(I(x),y) -> G(I(x)) CP(R): F(I(___y42),___y44) -> G(H(I(___y42)))