| st[n] = mkblock(x, lax, 0), remove-refsize0(st) = st, n ∈ st ⊦ |
⊦ st1 = st2 ↔ (∀ n. (n ∈ st1 ↔ n ∈ st2) ∧ st1[n] = st2[n])
st[n] = mkblock(x, lax, 0), n ∈ st, ∀ n. (n ∈ remove-refsize0(st) ↔ n ∈ st) ∧ remove-refsize0(st)[n] = st[n] ⊦
Used terms: st, remove-refsize0(st)