| RG-restr(pm, R1, G1, Pre1, Post1, I, R2, G2, Pre2, Post2), stable(pm, I, R1), stable(pm, I, R2), I(pm, S), □ (R1(pm, S', S'') ∧ R2(pm, S', S'')), P-restr(pm, P, I, R2), Pre1(pm, s), [:S | [PL R1(pm, S', S'') -+-> (last ⊃ Post1(pm, s, S);G1(pm, S, S'))] ∥ [PL ¬ P(pm, S)]], P(pm, S) ⊦ |