⊦ a[P](mk(rs, f, g)) ↔ P(mk(rs, f)) ∧ (∀ r. r ∈ rs → g(r) = a)
rs1 ∩ rs0 = ∅, ((r => o))(mk(rs1, f)), R[rs0, f, g], ∀ r. r ∈ rs1 → g(r) = a ⊦ g(r) = a
Used terms: g, f, rs1, r => o, a