| (last ⊃ Post2(pm, s, S) ∧ Post1(pm, s, S);G2(pm, S, S') ∨ G1(pm, S, S')), RG-restr(pm, R1, G1, Pre1, Post1, I, R2, G2, Pre2, Post2), true, Pre1(pm, s), I(pm, s), true ⊦ (last ⊃ Post1(pm, s, S) ∧ Post2(pm, s, S);G1(pm, S, S') ∨ G2(pm, S, S')) |
(last ⊃ Post2(pm, s, S) ∧ Post1(pm, s, S);G2(pm, S, S') ∨ G1(pm, S, S')), I(pm, s), Pre1(pm, s), RG-restr(pm, R1, G1, Pre1, Post1, I, R2, G2, Pre2, Post2) ⊦ (last ⊃ Post1(pm, s, S) ∧ Post2(pm, s, S);G1(pm, S, S') ∨ G2(pm, S, S'))