PROOF.num_view.go: def of lawful-fields@0.1.1.0
Import: import lawful-fields@0.1.1.0/PROOF.bend as PROOF
Lines 69-76 of lawful-fields@0.1.1.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=lawful-fields@0.1.1.0/PROOF.bend&start_line=69&end_line=76

import Base
import lawful-bytes@0.1.1.0/defs.bend as D
import lawful-fields@0.1.1.0/defs.bend as F
import lawful-fields@0.1.1.0/fields.bend as C
import lawful-bytes@0.1.1.0/proof_core.bend as BC
import lawful-fields@0.1.1.0/proof_num.bend as NU

def num_view.go(-b: D.Bytes, +d: Nat, +from: U32, +to: U32, h: {D.ok(b, d) == True{} : Bool}, hft: {U32.is_le(from, to) == True{} : Bool}, ht: {Nat.is_le(U32.to_nat(to), D.size(b)) == True{} : Bool}, m_b: BC.BMirror(b)) ->
  {F.nat_of(Pair.snd(D.Bytes, Maybe<&2, U32>, C.num(b, from, to))) == F.decb(D.slice(D.view(b), U32.to_nat(from), Nat.sub(U32.to_nat(to), U32.to_nat(from))), Nat.pow(2n, 32n)) : Maybe<&2, Nat>}:
  (+l_b, m2_b) = m_b
  (+t_b, +e_b) = m2_b
  %e_b : {F.nat_of(Pair.snd(D.Bytes, Maybe<&2, U32>, C.num(_, from, to))) == F.decb(D.slice(D.view(_), U32.to_nat(from), Nat.sub(U32.to_nat(to), U32.to_nat(from))), Nat.pow(2n, 32n)) : Maybe<&2, Nat>}
  +h_t = BC.tr(x => {D.ok(x, d) == True{} : Bool}, b, l_b, t_b, e_b, h)
  +ht_t = BC.tr(x => {Nat.is_le(U32.to_nat(to), D.size(x)) == True{} : Bool}, b, l_b, t_b, e_b, ht)
  NU.num_view_t(l_b, t_b, d, from, to, h_t, hft, ht_t)

Uses (22):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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.is_le
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.pow
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair.snd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_le
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/defs.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/defs.bend&name=ok
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/defs.bend&name=size
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/defs.bend&name=slice
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/defs.bend&name=view
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/proof_core.bend&name=BMirror
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/proof_core.bend&name=tr
  https://jend.leeeet.dev/definition.txt?path=lawful-fields@0.1.1.0/defs.bend&name=decb
  https://jend.leeeet.dev/definition.txt?path=lawful-fields@0.1.1.0/defs.bend&name=nat_of
  https://jend.leeeet.dev/definition.txt?path=lawful-fields@0.1.1.0/fields.bend&name=num
  https://jend.leeeet.dev/definition.txt?path=lawful-fields@0.1.1.0/proof_num.bend&name=num_view_t