| ubi-io-read-echdr-pre(n, apebs), ubi-io-inv(apebs), apebs0 = apebs ⊦ ⟨aubi_io_read_echdr#(n, apebs; aehdr; bitflips, err)⟩ (apebs0 = apebs) |
apebs0 = apebs, ubi-io-inv(apebs), ubi-io-read-echdr-pre(n, apebs) ⊦ ⟨aubi_io_read_echdr#(n, apebs; aehdr; bitflips, err)⟩ (apebs0 = apebs)