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Proof step 157 from proof rg2-lem1-term-unfair (previous step)

□ (R1(pm, S', S'') ∧ R2(pm, S', S'')), [:S | Boolvar ::- [PL N = n32 ∧ S = s41 ∧ N' = N'' + 1 until ¬ R1(pm, S', S'') ∧ R1(pm, S', S'') -+-> (last ⊃ Post1(pm, s, S);G1(pm, S, S'))] ∥nf false ::- [PL N = n31 ∧ S = s40 ∧ □ ¬ N' < N''] ], □ (N = N' ∧ ¬ N' < N''), boolvar ∨ n32 = N ∧ N = N'' + 1 until Boolvar, INDHYP-nat(n32 + 1) ∧ INDHYP-nat0(n32 + 1), R2(pm, s2, S), I(pm, s3), I(pm, s2), RG-restr(pm, R1, G1, Pre1, Post1, I, R2, G2, Pre2, Post2), Pre1(pm, s), Pre2(pm, s), R1(pm, s3, S), R2(pm, s3, S), N ≤ n32 + 1, I(pm, s), G2(pm, s2, s2), G1(pm, s2, s3), R1(pm, s3, s41), n31 ≤ n32 + 1, R2(pm, s2, s3), R1(pm, s2, s2), I(pm, s41), I(pm, S), ¬ R2(pm, s2, s40), boolvar1 → s2 = s3 ∧ (boolvar ↔ boolvar0) ⊦ [:S | [PL R1(pm, S', S'') -+-> (last ⊃ Post1(pm, s, S);G1(pm, S, S')) ∧ (□ R1(pm, S', S'') → ◇ last)] ∥nf [PL S = s40]], ◇ last

User applied rule decompose

And closed the goal!

Rule argument

positions: 2, 1

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