| rs1 ∩ rs0 = ∅, a0[r => o](mk(rs1, f, g)), R[rs0, f, g] ⊦ (a1[r => o] * R)[rs1 ∪ rs0, f, g(r; a1)] ∧ g(r) = a0, a1[r => o](mk(rs1, f, g(r; a1))) ∧ R[rs0, f, g(r; a1)] |
⊦ a[P](mk(rs, f, g)) ↔ P(mk(rs, f)) ∧ (∀ r. r ∈ rs → g(r) = a)
rs1 ∩ rs0 = ∅, R[rs0, f, g], a0[r => o](mk(rs1, f, g)) ⊦ (((r => o))(mk(rs1, f)) ∧ (∀ r0. r0 ∈ rs1 → g(r; a1)(r0) = a1)) ∧ R[rs0, f, g(r; a1)], (a1[r => o] * R)[rs1 ∪ rs0, f, g(r; a1)] ∧ g(r) = a0
Used terms: g(r; a1), f, rs1, r => o, a1