def digits_pair.go

lawful-fields@0.1.1.0 · PROOF.bend:103

import Base
import lawful-bytes@0.1.1.0/defs.bend as D
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_digits.bend as DG

103def digits_pair.go(-b: D.Bytes, +from: U32, +to: U32, m_b: BC.BMirror(b)) ->
104  {C.digits(b, from, to) == (b, Pair.snd(D.Bytes, Bool, C.digits(b, from, to))) : D.Bytes & Bool}:
105  (+l_b, m2_b) = m_b
106  (+t_b, +e_b) = m2_b
107  %e_b : {C.digits(_, from, to) == (_, Pair.snd(D.Bytes, Bool, C.digits(_, from, to))) : D.Bytes & Bool}
108  DG.digits_pair_t(l_b, t_b, from, to)