| mk(rs1, f, g) = (∅ ++ r)[r, o, a], rs1 ∩ rs0 = ∅, R[rs0, f, g] ⊦ r = null, ∃ o. (a[r => o] * R)[rs1 ∪ rs0, f, g], (∃ o. ((r => o))(mk(rs1, f))) ∧ (r0 ∈ rs1 → g(r0) = a) |
mk(rs1, f, g) = (∅ ++ r)[r, o, a], rs1 ∩ rs0 = ∅, R[rs0, f, g] ⊦ r = null, ∃ o. (a[r => o] * R)[rs1 ∪ rs0, f, g], (∃ o. ((r => o))(mk(rs1, f))) ∧ (r0 ∈ rs1 → g(r0) = a)