| RG-restr(n2, R1, G1, Pre1, Post1, IV, R2, G2, Pre2, Post2), Pre1(n2, act5, cs5), IV(n2, act4, cs4), □ (R1(n2, Act4', CS4', Act4'', CS4'') ∧ R2(n2, Act4', CS4', Act4'', CS4'')), [:Act4, CS4 | [PL R1(n2, Act4', CS4', Act4'', CS4'') -+-> (last ⊃ Post1(n2, act5, cs5, Act4, CS4);G1(n2, Act4, CS4, Act4', CS4'))] ∥ [PL Act4 = act ∧ CS4 = cs] ], ¬ R2(n2, act4, cs4, act, cs), R2(n2, act4, cs4, Act4, CS4) ⊦ |