| ⊦ m < n ∧ n ≤ # buf ∧ m ≤ # buf → (datasize(buf, n) < datasize(buf, m) ↔ false) |
m < n, n ≤ # buf, datasize(buf, n) < datasize(buf, m), m < # buf ⊦
[Concretesimprules((Csimpseq( ⊦ m < n → m ≤ n) Csimpseq( ⊦ m < n → n ≠ 0) Csimpforward( ⊦ m < n ∧ n ≤ n0 → m < n0) Csimpforward( ⊦ m < n → n ≠ 0)))]