| rs1 ∩ rs0 = ∅, ((r => o0))(mk(rs1, f)), R[rs0, f, g], ∀ r. r ∈ rs1 → g(r) = a ⊦ (a[r => o1] * R)[rs1 ∪ rs0, f(r; o1), g], mk(rs1, f(r; o1)) = (∅ ++ r)[r, o1] ∧ r ≠ null |
rs1 ∩ rs0 = ∅, ((r => o0))(mk(rs1, f)), R[rs0, f, g], ∀ r. r ∈ rs1 → g(r) = a ⊦ mk(rs1, f(r; o1)) = (∅ ++ r)[r, o1], r = null, (a[r => o1] * R)[rs1 ∪ rs0, f(r; o1), g]
Used simplifier rules: ⊦ ¬ false(H); (s)% ⊦ ⌜false⌝ = false; (s)% ⊦ null => o = ⌜false⌝ ; (s)