| \A ∀ N, Post1, pm, s, S, G1, R1, Post2, G2, R2, Pre1, I, Pre2. N < m → [:S | [PL R1(pm, S', S'') -+-> (last ⊃ Post1(pm, s, S);G1(pm, S, S'))] ∥nf [PL R2(pm, S', S'') -+-> (last ⊃ Post2(pm, s, S);G2(pm, S, S'))]] ∧ RG-restr(pm, R1, G1, Pre1, Post1, I, R2, G2, Pre2, Post2) ∧ Pre1(pm, s) ∧ Pre2(pm, s) ∧ I(pm, S) → ((R1(pm, S', S'') ∧ R2(pm, S', S'')) ∧ N = N'' +1) -+-> (last ⊃ Post1(pm, s, S) ∧ Post2(pm, s, S);G1(pm, S, S') ∨ G2(pm, S, S')), m = n, RG-restr(pm, R1, G1, Pre1, Post1, I, R2, G2, Pre2, Post2), Pre1(pm, s), Pre2(pm, s), I(pm, s0), I(pm, s), true, ( ( ( (((true ⊃ Post1(pm, s, s0);G1(pm, s0, s0)) ∧ (true ⊃ Post2(pm, s, s0);G2(pm, s0, s0))) ∧ ¬ R1(pm, s0, s0)) ∧ ¬ R2(pm, s0, s0) ∨ ((true ⊃ Post1(pm, s, s0);G1(pm, s0, s0)) ∧ (true ⊃ Post2(pm, s, s0);G2(pm, s0, s0)) ∧ R2(pm, s0, s0)) ∧ ¬ R1(pm, s0, s0)) ∨ (∃ s1. false) ∨ (∃ s2, s1. false) ∨ (∃ s2, s1. false)) ∨ ( (((true ⊃ Post1(pm, s, s0);G1(pm, s0, s0)) ∧ R1(pm, s0, s0)) ∧ (true ⊃ Post2(pm, s, s0);G2(pm, s0, s0))) ∧ ¬ R2(pm, s0, s0) ∨ ((true ⊃ Post1(pm, s, s0);G1(pm, s0, s0)) ∧ R1(pm, s0, s0)) ∧ (true ⊃ Post2(pm, s, s0);G2(pm, s0, s0)) ∧ R2(pm, s0, s0)) ∨ (∃ s1. false) ∨ (∃ s2, s1. false) ∨ (∃ s2, s1. false)) ∨ ( ( (((true ⊃ Post2(pm, s, s0);G2(pm, s0, s0)) ∧ (true ⊃ Post1(pm, s, s0);G1(pm, s0, s0))) ∧ ¬ R2(pm, s0, s0)) ∧ ¬ R1(pm, s0, s0) ∨ ((true ⊃ Post2(pm, s, s0);G2(pm, s0, s0)) ∧ (true ⊃ Post1(pm, s, s0);G1(pm, s0, s0)) ∧ R1(pm, s0, s0)) ∧ ¬ R2(pm, s0, s0)) ∨ (∃ s1. false) ∨ (∃ s2, s1. false) ∨ (∃ s2, s1. false)) ∨ ( (((true ⊃ Post2(pm, s, s0);G2(pm, s0, s0)) ∧ R2(pm, s0, s0)) ∧ (true ⊃ Post1(pm, s, s0);G1(pm, s0, s0))) ∧ ¬ R1(pm, s0, s0) ∨ ((true ⊃ Post2(pm, s, s0);G2(pm, s0, s0)) ∧ R2(pm, s0, s0)) ∧ (true ⊃ Post1(pm, s, s0);G1(pm, s0, s0)) ∧ R1(pm, s0, s0)) ∨ (∃ s1. false) ∨ (∃ s2, s1. false) ∨ (∃ s2, s1. false), (true ⊃ ¬ Post1(pm, s, s0) ∨ ¬ Post2(pm, s, s0);¬(G1(pm, s0, s0) ∨ G2(pm, s0, s0))) ⊦ |
\A ∀ N, Post1, pm, s, S, G1, R1, Post2, G2, R2, Pre1, I, Pre2. N < m → [:S | [PL R1(pm, S', S'') -+-> (last ⊃ Post1(pm, s, S);G1(pm, S, S'))] ∥nf [PL R2(pm, S', S'') -+-> (last ⊃ Post2(pm, s, S);G2(pm, S, S'))]] ∧ RG-restr(pm, R1, G1, Pre1, Post1, I, R2, G2, Pre2, Post2) ∧ Pre1(pm, s) ∧ Pre2(pm, s) ∧ I(pm, S) → ((R1(pm, S', S'') ∧ R2(pm, S', S'')) ∧ N = N'' +1) -+-> (last ⊃ Post1(pm, s, S) ∧ Post2(pm, s, S);G1(pm, S, S') ∨ G2(pm, S, S')), RG-restr(pm, R1, G1, Pre1, Post1, I, R2, G2, Pre2, Post2), Pre1(pm, s), Pre2(pm, s), I(pm, s0), I(pm, s), Post1(pm, s, s0) ∧ Post2(pm, s, s0) ∧ ¬ R1(pm, s0, s0) ∧ ¬ R2(pm, s0, s0) ∨ Post1(pm, s, s0) ∧ Post2(pm, s, s0) ∧ R2(pm, s0, s0) ∧ ¬ R1(pm, s0, s0) ∨ Post1(pm, s, s0) ∧ R1(pm, s0, s0) ∧ Post2(pm, s, s0) ∧ ¬ R2(pm, s0, s0) ∨ Post1(pm, s, s0) ∧ R1(pm, s0, s0) ∧ Post2(pm, s, s0) ∧ R2(pm, s0, s0) ∨ Post2(pm, s, s0) ∧ Post1(pm, s, s0) ∧ ¬ R2(pm, s0, s0) ∧ ¬ R1(pm, s0, s0) ∨ Post2(pm, s, s0) ∧ Post1(pm, s, s0) ∧ R1(pm, s0, s0) ∧ ¬ R2(pm, s0, s0) ∨ Post2(pm, s, s0) ∧ R2(pm, s0, s0) ∧ Post1(pm, s, s0) ∧ ¬ R1(pm, s0, s0) ∨ Post2(pm, s, s0) ∧ R2(pm, s0, s0) ∧ Post1(pm, s, s0) ∧ R1(pm, s0, s0), ¬ Post1(pm, s, s0) ∨ ¬ Post2(pm, s, s0) ⊦
Used simplifier rules: pre2-i: ⊦ RG-restr(pm, R1, G1, Pre1, Post1, I, R2, G2, Pre2, Post2) ∧ Pre2(pm, s) → I(pm, s);