PROOFRsdp.ckr.u16: def of bend-osdev-acpi@0.1.2.0
Import: import bend-osdev-acpi@0.1.2.0/PROOF_rsdp.bend as PROOFRsdp
Lines 92-100 of bend-osdev-acpi@0.1.2.0/PROOF_rsdp.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-acpi@0.1.2.0/PROOF_rsdp.bend&start_line=92&end_line=100

import Base
import bend-osdev-bytes@0.1.1.1/bytes.bend as B
import bend-osdev-bytes@0.1.1.1/LAWS.bend as BL
import bend-osdev-acpi@0.1.2.0/rsdp.bend as P

def ckr.u16(+k: U32, +oem: B.Octets, +oem6: {B.Octets.len(oem) == 6n : Nat}, +rev: U32, +rsdt: U32) -> {B.Octets.le32_at(B.Octets.append(P.AcpiRsdp.signature(), B.Octets.append(B.Octets.of_list([k]), B.Octets.append(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt))))), 16n) == Some{rsdt} : Maybe<&2, U32>}:
  %Equal.sym(Maybe<&2, U32>, B.Octets.le32_at(B.Octets.append(P.AcpiRsdp.signature(), B.Octets.append(B.Octets.of_list([k]), B.Octets.append(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt))))), Nat.add(B.Octets.len(P.AcpiRsdp.signature()), 8n)), B.Octets.le32_at(B.Octets.append(B.Octets.of_list([k]), B.Octets.append(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt)))), 8n), BL.octets_le32_at_append_add(P.AcpiRsdp.signature(), B.Octets.append(B.Octets.of_list([k]), B.Octets.append(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt)))), 8n)) : {_ == Some{rsdt} : Maybe<&2, U32>}
  %Equal.cong(Nat, Nat, z => Nat.add(z, 7n), B.Octets.len(B.Octets.of_list([k])), B.len([k]), BL.octets_len_of_list([k])) : {B.Octets.le32_at(B.Octets.append(B.Octets.of_list([k]), B.Octets.append(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt)))), _) == Some{rsdt} : Maybe<&2, U32>}
  %Equal.sym(Maybe<&2, U32>, B.Octets.le32_at(B.Octets.append(B.Octets.of_list([k]), B.Octets.append(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt)))), Nat.add(B.Octets.len(B.Octets.of_list([k])), 7n)), B.Octets.le32_at(B.Octets.append(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt))), 7n), BL.octets_le32_at_append_add(B.Octets.of_list([k]), B.Octets.append(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt))), 7n)) : {_ == Some{rsdt} : Maybe<&2, U32>}
  %Equal.cong(Nat, Nat, z => Nat.add(z, 1n), B.Octets.len(oem), 6n, oem6) : {B.Octets.le32_at(B.Octets.append(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt))), _) == Some{rsdt} : Maybe<&2, U32>}
  %Equal.sym(Maybe<&2, U32>, B.Octets.le32_at(B.Octets.append(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt))), Nat.add(B.Octets.len(oem), 1n)), B.Octets.le32_at(B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt)), 1n), BL.octets_le32_at_append_add(oem, B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt)), 1n)) : {_ == Some{rsdt} : Maybe<&2, U32>}
  %Equal.cong(Nat, Nat, z => Nat.add(z, 0n), B.Octets.len(B.Octets.of_list([rev])), B.len([rev]), BL.octets_len_of_list([rev])) : {B.Octets.le32_at(B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt)), _) == Some{rsdt} : Maybe<&2, U32>}
  %Equal.sym(Maybe<&2, U32>, B.Octets.le32_at(B.Octets.append(B.Octets.of_list([rev]), B.Octets.le32(rsdt)), Nat.add(B.Octets.len(B.Octets.of_list([rev])), 0n)), B.Octets.le32_at(B.Octets.le32(rsdt), 0n), BL.octets_le32_at_append_add(B.Octets.of_list([rev]), B.Octets.le32(rsdt), 0n)) : {_ == Some{rsdt} : Maybe<&2, U32>}
  BL.octets_le32_round_trip(rsdt)

Uses (18):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.2.0/rsdp.bend&name=AcpiRsdp.signature
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/LAWS.bend&name=octets_le32_at_append_add
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/LAWS.bend&name=octets_le32_round_trip
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/LAWS.bend&name=octets_len_of_list
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/bytes.bend&name=Octets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/bytes.bend&name=Octets.append
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/bytes.bend&name=Octets.le32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/bytes.bend&name=Octets.le32_at
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/bytes.bend&name=Octets.len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/bytes.bend&name=Octets.of_list
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.1/bytes.bend&name=len