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Proof step 35 from proof write-known (previous step)

rs1 ∩ rs0 = ∅, ((r => o0))(mk(rs1, f)), R[rs0, f, g], r0 ∈ rs1, ∀ r. r ∈ rs1 → g(r) = a ⊦ g(r0) = a, (a[r => o1] * R)[rs1 ∪ rs0, f(r; o1), g]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 36:
rs1 ∩ rs0 = ∅, ((r => o0))(mk(rs1, f)), R[rs0, f, g], r0 ∈ rs1, ∀ r. r ∈ rs1 → g(r) = a ⊦ # rs1 = 0, g(r0) = a, rs1 = ∅, (a[r => o1] * R)[rs1 ∪ rs0, f(r; o1), g]

Rule argument

Additional information

Used simplifier rules: size-zero-01: ⊦ rs ≠ ∅ → # rs ≠ 0; (forward) from specification set-basic[refset]%ne-01: ⊦ r ∈ rs → rs ≠ ∅; (forward) from specification set-basic[refset]