def tb.cdrop

bend-osdev-acpi@0.1.1.0 · PROOF_tables.bend:432

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B
import bend-osdev-bytes@0.1.1.0/LAWS.bend as BL
import bend-osdev-u32@0.1.0.0/LAWS.bend as UL

432def tb.cdrop(+c: B.Octets, +rest: B.Octets, +h16: {16n == B.Octets.len(c) : Nat}) -> {rest == B.Octets.drop(16n, B.Octets.append(c, rest)) : B.Octets}:
433  %Equal.sym(Nat, 16n, Nat.add(B.Octets.len(c), 0n), Equal.trans(Nat, 16n, B.Octets.len(c), Nat.add(B.Octets.len(c), 0n), h16, Equal.sym(Nat, Nat.add(B.Octets.len(c), 0n), B.Octets.len(c), UL.nat_add_zero(B.Octets.len(c))))) : {rest == B.Octets.drop(_, B.Octets.append(c, rest)) : B.Octets}
434  %Equal.sym(B.Octets, B.Octets.drop(Nat.add(B.Octets.len(c), 0n), B.Octets.append(c, rest)), B.Octets.drop(0n, rest), BL.octets_drop_append_add(c, 0n, rest)) : {rest == _ : B.Octets}
435  %Equal.sym(B.Octets, B.Octets.drop(0n, rest), rest, BL.octets_drop_zero(rest)) : {rest == _ : B.Octets}
436  {==}