JT001E

jordan_tuple_prefix_equal

Alpha v35 independently verified · alpha_closed; checked-use authorized; not Stable

An actual one-way beta prefix extension preserves decoded coordinates.

Exact expanded first-order arithmetic statement

forall b c d e k. (forall jt_index_prefixsource jt_value_prefixsource. (exists jt_gap_prefixsourceindex. jt_gap_prefixsourceindex+S (jt_index_prefixsource)=(k)) -> (((exists fs_h_jt_prefixsourceold. fs_h_jt_prefixsourceold + S (jt_value_prefixsource) = S ((S (jt_index_prefixsource)) * c)) /\ exists fs_q_jt_prefixsourceold. b = fs_q_jt_prefixsourceold * S ((S (jt_index_prefixsource)) * c) + (jt_value_prefixsource))) -> (((exists fs_h_jt_prefixsourcenew. fs_h_jt_prefixsourcenew + S (jt_value_prefixsource) = S ((S (jt_index_prefixsource)) * e)) /\ exists fs_q_jt_prefixsourcenew. d = fs_q_jt_prefixsourcenew * S ((S (jt_index_prefixsource)) * e) + (jt_value_prefixsource)))) -> (forall jt_index_prefixtarget jt_left_prefixtarget jt_right_prefixtarget. (exists jt_gap_prefixtargetindex. jt_gap_prefixtargetindex+S (jt_index_prefixtarget)=(k)) -> (((exists fs_h_jt_prefixtargetleft. fs_h_jt_prefixtargetleft + S (jt_left_prefixtarget) = S ((S (jt_index_prefixtarget)) * c)) /\ exists fs_q_jt_prefixtargetleft. b = fs_q_jt_prefixtargetleft * S ((S (jt_index_prefixtarget)) * c) + (jt_left_prefixtarget))) -> (((exists fs_h_jt_prefixtargetright. fs_h_jt_prefixtargetright + S (jt_right_prefixtarget) = S ((S (jt_index_prefixtarget)) * e)) /\ exists fs_q_jt_prefixtargetright. d = fs_q_jt_prefixtargetright * S ((S (jt_index_prefixtarget)) * e) + (jt_right_prefixtarget))) -> jt_left_prefixtarget=jt_right_prefixtarget)

Constructive proof overview

Generated structural guide

An actual one-way beta prefix extension preserves decoded coordinates.

The unchanged tactic script uses 1 declared prerequisite and contains 24 exact native proof lines.

Alpha v35 checked-use · first admitted v35 · independently kernel and Lean verified; not Stable

Proof neighborhood

Direct dependencies

beta_at_unique Alpha theorem; checked-use authorized

Direct dependents

Formal native tactic body

Dependencies are introduced as named hypotheses before line 1. Local theorem links identify exact declared prerequisites. This exact body belongs to a complete independently kernel-checked constructive proof bundle and has Alpha checked-use authority; it does not imply Stable membership.

Read the argument

Proof checkpoints

24 script commands · 4 reading checkpoints · 0 local claims

This is a reading aid, not a new proof or a proof-tree certificate. Checkpoint groups are consecutive commands, not inferred branch boundaries. Every step links to the preserved script.

01Fix variables and assumptionsL1–10

Work with arbitrary variables or the premises of the current implication.

  1. L1
    intro b
  2. L2
    intro c
  3. L3
    intro d
  4. L4
    intro e
  5. L5
    intro k
  6. L6
    intro h
  7. L7
    intro i
  8. L8
    intro a
  9. L9
    intro z
  10. L10
    intro hi
02Fix variables and assumptionsL11–12

Work with arbitrary variables or the premises of the current implication.

  1. L11
    intro ha
  2. L12
    intro hz
03Use earlier factsL13–22

Instantiate or apply named facts and discharge the corresponding proof obligations.

  1. L13
    specialize beta_at_unique (d)
  2. L14
    specialize beta_at_unique (e)
  3. L15
    specialize beta_at_unique (i)
  4. L16
    specialize beta_at_unique (a)
  5. L17
    specialize beta_at_unique (z)
  6. L18
    apply beta_at_unique
  7. L19
    specialize h (i)
  8. L20
    specialize h (a)
  9. L21
    apply h
  10. L22
    exact hi
04Use earlier factsL23–24

Instantiate or apply named facts and discharge the corresponding proof obligations.

  1. L23
    exact ha
  2. L24
    exact hz

Library-wide reading audit

Original exact command ledger · 24 lines
  1. 0001intro b
  2. 0002intro c
  3. 0003intro d
  4. 0004intro e
  5. 0005intro k
  6. 0006intro h
  7. 0007intro i
  8. 0008intro a
  9. 0009intro z
  10. 0010intro hi
  11. 0011intro ha
  12. 0012intro hz
  13. 0013specialize beta_at_unique (d)
  14. 0014specialize beta_at_unique (e)
  15. 0015specialize beta_at_unique (i)
  16. 0016specialize beta_at_unique (a)
  17. 0017specialize beta_at_unique (z)
  18. 0018apply beta_at_unique
  19. 0019specialize h (i)
  20. 0020specialize h (a)
  21. 0021apply h
  22. 0022exact hi
  23. 0023exact ha
  24. 0024exact hz