| ∀ a0. (a0 ∈ st[a, d] ↔ a0 ∈ st0[a, d]) ∧ st[a, d][a0] = st0[a, d][a0] ⊦ a ∈ st0, a ∈ st, (a0 ∈ st ↔ a0 ∈ st0) ∧ st[a0] = st0[a0] |
(a0 ∈ st[a, d] ↔ a0 ∈ st0[a, d]) ∧ st[a, d][a0] = st0[a, d][a0], ∀ a0. (a0 ∈ st[a, d] ↔ a0 ∈ st0[a, d]) ∧ st[a, d][a0] = st0[a, d][a0] ⊦ a ∈ st0, a ∈ st, (a0 ∈ st ↔ a0 ∈ st0) ∧ st[a0] = st0[a0]
Used terms: a0