Current library: Alpha v34, 4,223 checked-use theorems; Stable remains 432. Historical first admissions, original proof editions, and non-admitted aliases are preserved. Exact original first-admission records.
Exact expanded first-order arithmetic statement
forall b c t l n z m w. (exists ff_u_hd_pair ff_v_hd_pair ff_d_hd_pair ff_e_hd_pair. ((((((exists fs_h_ph_hd_pair_body_value_start. fs_h_ph_hd_pair_body_value_start + S (0) = S ((S (0)) * ff_v_hd_pair)) /\ exists fs_q_ph_hd_pair_body_value_start. ff_u_hd_pair = fs_q_ph_hd_pair_body_value_start * S ((S (0)) * ff_v_hd_pair) + (0))) /\ ((((exists fs_h_ph_hd_pair_body_value_terminal. fs_h_ph_hd_pair_body_value_terminal + S (n) = S ((S (l)) * ff_v_hd_pair)) /\ exists fs_q_ph_hd_pair_body_value_terminal. ff_u_hd_pair = fs_q_ph_hd_pair_body_value_terminal * S ((S (l)) * ff_v_hd_pair) + (n))) /\ forall ff_i_ph_hd_pair_body_value_steps. (exists ph_bound_hd_pair_body_value_steps. ph_bound_hd_pair_body_value_steps + S ff_i_ph_hd_pair_body_value_steps = l) -> exists ff_coefficient_ph_hd_pair_body_value_steps ff_previous_ph_hd_pair_body_value_steps ff_current_ph_hd_pair_body_value_steps. ((((exists fs_h_ph_hd_pair_body_value_steps_coefficient. fs_h_ph_hd_pair_body_value_steps_coefficient + S (ff_coefficient_ph_hd_pair_body_value_steps) = S ((S (ff_i_ph_hd_pair_body_value_steps)) * c)) /\ exists fs_q_ph_hd_pair_body_value_steps_coefficient. b = fs_q_ph_hd_pair_body_value_steps_coefficient * S ((S (ff_i_ph_hd_pair_body_value_steps)) * c) + (ff_coefficient_ph_hd_pair_body_value_steps))) /\ ((((exists fs_h_ph_hd_pair_body_value_steps_before. fs_h_ph_hd_pair_body_value_steps_before + S (ff_previous_ph_hd_pair_body_value_steps) = S ((S (ff_i_ph_hd_pair_body_value_steps)) * ff_v_hd_pair)) /\ exists fs_q_ph_hd_pair_body_value_steps_before. ff_u_hd_pair = fs_q_ph_hd_pair_body_value_steps_before * S ((S (ff_i_ph_hd_pair_body_value_steps)) * ff_v_hd_pair) + (ff_previous_ph_hd_pair_body_value_steps))) /\ ((((exists fs_h_ph_hd_pair_body_value_steps_after. fs_h_ph_hd_pair_body_value_steps_after + S (ff_current_ph_hd_pair_body_value_steps) = S ((S (S ff_i_ph_hd_pair_body_value_steps)) * ff_v_hd_pair)) /\ exists fs_q_ph_hd_pair_body_value_steps_after. ff_u_hd_pair = fs_q_ph_hd_pair_body_value_steps_after * S ((S (S ff_i_ph_hd_pair_body_value_steps)) * ff_v_hd_pair) + (ff_current_ph_hd_pair_body_value_steps))) /\ ff_current_ph_hd_pair_body_value_steps = ff_previous_ph_hd_pair_body_value_steps * t + ff_coefficient_ph_hd_pair_body_value_steps)))))) /\ (((((exists fs_h_ph_hd_pair_body_derivative_start. fs_h_ph_hd_pair_body_derivative_start + S (0) = S ((S (0)) * ff_e_hd_pair)) /\ exists fs_q_ph_hd_pair_body_derivative_start. ff_d_hd_pair = fs_q_ph_hd_pair_body_derivative_start * S ((S (0)) * ff_e_hd_pair) + (0))) /\ ((((exists fs_h_ph_hd_pair_body_derivative_terminal. fs_h_ph_hd_pair_body_derivative_terminal + S (z) = S ((S (l)) * ff_e_hd_pair)) /\ exists fs_q_ph_hd_pair_body_derivative_terminal. ff_d_hd_pair = fs_q_ph_hd_pair_body_derivative_terminal * S ((S (l)) * ff_e_hd_pair) + (z))) /\ forall ff_i_ph_hd_pair_body_derivative_steps. (exists ph_bound_hd_pair_body_derivative_steps. ph_bound_hd_pair_body_derivative_steps + S ff_i_ph_hd_pair_body_derivative_steps = l) -> exists ff_coefficient_ph_hd_pair_body_derivative_steps ff_previous_ph_hd_pair_body_derivative_steps ff_current_ph_hd_pair_body_derivative_steps. ((((exists fs_h_ph_hd_pair_body_derivative_steps_coefficient. fs_h_ph_hd_pair_body_derivative_steps_coefficient + S (ff_coefficient_ph_hd_pair_body_derivative_steps) = S ((S (ff_i_ph_hd_pair_body_derivative_steps)) * ff_v_hd_pair)) /\ exists fs_q_ph_hd_pair_body_derivative_steps_coefficient. ff_u_hd_pair = fs_q_ph_hd_pair_body_derivative_steps_coefficient * S ((S (ff_i_ph_hd_pair_body_derivative_steps)) * ff_v_hd_pair) + (ff_coefficient_ph_hd_pair_body_derivative_steps))) /\ ((((exists fs_h_ph_hd_pair_body_derivative_steps_before. fs_h_ph_hd_pair_body_derivative_steps_before + S (ff_previous_ph_hd_pair_body_derivative_steps) = S ((S (ff_i_ph_hd_pair_body_derivative_steps)) * ff_e_hd_pair)) /\ exists fs_q_ph_hd_pair_body_derivative_steps_before. ff_d_hd_pair = fs_q_ph_hd_pair_body_derivative_steps_before * S ((S (ff_i_ph_hd_pair_body_derivative_steps)) * ff_e_hd_pair) + (ff_previous_ph_hd_pair_body_derivative_steps))) /\ ((((exists fs_h_ph_hd_pair_body_derivative_steps_after. fs_h_ph_hd_pair_body_derivative_steps_after + S (ff_current_ph_hd_pair_body_derivative_steps) = S ((S (S ff_i_ph_hd_pair_body_derivative_steps)) * ff_e_hd_pair)) /\ exists fs_q_ph_hd_pair_body_derivative_steps_after. ff_d_hd_pair = fs_q_ph_hd_pair_body_derivative_steps_after * S ((S (S ff_i_ph_hd_pair_body_derivative_steps)) * ff_e_hd_pair) + (ff_current_ph_hd_pair_body_derivative_steps))) /\ ff_current_ph_hd_pair_body_derivative_steps = ff_previous_ph_hd_pair_body_derivative_steps * t + ff_coefficient_ph_hd_pair_body_derivative_steps)))))))) -> (exists ff_u_hd_other ff_v_hd_other ff_d_hd_other ff_e_hd_other. ((((((exists fs_h_ph_hd_other_body_value_start. fs_h_ph_hd_other_body_value_start + S (0) = S ((S (0)) * ff_v_hd_other)) /\ exists fs_q_ph_hd_other_body_value_start. ff_u_hd_other = fs_q_ph_hd_other_body_value_start * S ((S (0)) * ff_v_hd_other) + (0))) /\ ((((exists fs_h_ph_hd_other_body_value_terminal. fs_h_ph_hd_other_body_value_terminal + S (m) = S ((S (l)) * ff_v_hd_other)) /\ exists fs_q_ph_hd_other_body_value_terminal. ff_u_hd_other = fs_q_ph_hd_other_body_value_terminal * S ((S (l)) * ff_v_hd_other) + (m))) /\ forall ff_i_ph_hd_other_body_value_steps. (exists ph_bound_hd_other_body_value_steps. ph_bound_hd_other_body_value_steps + S ff_i_ph_hd_other_body_value_steps = l) -> exists ff_coefficient_ph_hd_other_body_value_steps ff_previous_ph_hd_other_body_value_steps ff_current_ph_hd_other_body_value_steps. ((((exists fs_h_ph_hd_other_body_value_steps_coefficient. fs_h_ph_hd_other_body_value_steps_coefficient + S (ff_coefficient_ph_hd_other_body_value_steps) = S ((S (ff_i_ph_hd_other_body_value_steps)) * c)) /\ exists fs_q_ph_hd_other_body_value_steps_coefficient. b = fs_q_ph_hd_other_body_value_steps_coefficient * S ((S (ff_i_ph_hd_other_body_value_steps)) * c) + (ff_coefficient_ph_hd_other_body_value_steps))) /\ ((((exists fs_h_ph_hd_other_body_value_steps_before. fs_h_ph_hd_other_body_value_steps_before + S (ff_previous_ph_hd_other_body_value_steps) = S ((S (ff_i_ph_hd_other_body_value_steps)) * ff_v_hd_other)) /\ exists fs_q_ph_hd_other_body_value_steps_before. ff_u_hd_other = fs_q_ph_hd_other_body_value_steps_before * S ((S (ff_i_ph_hd_other_body_value_steps)) * ff_v_hd_other) + (ff_previous_ph_hd_other_body_value_steps))) /\ ((((exists fs_h_ph_hd_other_body_value_steps_after. fs_h_ph_hd_other_body_value_steps_after + S (ff_current_ph_hd_other_body_value_steps) = S ((S (S ff_i_ph_hd_other_body_value_steps)) * ff_v_hd_other)) /\ exists fs_q_ph_hd_other_body_value_steps_after. ff_u_hd_other = fs_q_ph_hd_other_body_value_steps_after * S ((S (S ff_i_ph_hd_other_body_value_steps)) * ff_v_hd_other) + (ff_current_ph_hd_other_body_value_steps))) /\ ff_current_ph_hd_other_body_value_steps = ff_previous_ph_hd_other_body_value_steps * t + ff_coefficient_ph_hd_other_body_value_steps)))))) /\ (((((exists fs_h_ph_hd_other_body_derivative_start. fs_h_ph_hd_other_body_derivative_start + S (0) = S ((S (0)) * ff_e_hd_other)) /\ exists fs_q_ph_hd_other_body_derivative_start. ff_d_hd_other = fs_q_ph_hd_other_body_derivative_start * S ((S (0)) * ff_e_hd_other) + (0))) /\ ((((exists fs_h_ph_hd_other_body_derivative_terminal. fs_h_ph_hd_other_body_derivative_terminal + S (w) = S ((S (l)) * ff_e_hd_other)) /\ exists fs_q_ph_hd_other_body_derivative_terminal. ff_d_hd_other = fs_q_ph_hd_other_body_derivative_terminal * S ((S (l)) * ff_e_hd_other) + (w))) /\ forall ff_i_ph_hd_other_body_derivative_steps. (exists ph_bound_hd_other_body_derivative_steps. ph_bound_hd_other_body_derivative_steps + S ff_i_ph_hd_other_body_derivative_steps = l) -> exists ff_coefficient_ph_hd_other_body_derivative_steps ff_previous_ph_hd_other_body_derivative_steps ff_current_ph_hd_other_body_derivative_steps. ((((exists fs_h_ph_hd_other_body_derivative_steps_coefficient. fs_h_ph_hd_other_body_derivative_steps_coefficient + S (ff_coefficient_ph_hd_other_body_derivative_steps) = S ((S (ff_i_ph_hd_other_body_derivative_steps)) * ff_v_hd_other)) /\ exists fs_q_ph_hd_other_body_derivative_steps_coefficient. ff_u_hd_other = fs_q_ph_hd_other_body_derivative_steps_coefficient * S ((S (ff_i_ph_hd_other_body_derivative_steps)) * ff_v_hd_other) + (ff_coefficient_ph_hd_other_body_derivative_steps))) /\ ((((exists fs_h_ph_hd_other_body_derivative_steps_before. fs_h_ph_hd_other_body_derivative_steps_before + S (ff_previous_ph_hd_other_body_derivative_steps) = S ((S (ff_i_ph_hd_other_body_derivative_steps)) * ff_e_hd_other)) /\ exists fs_q_ph_hd_other_body_derivative_steps_before. ff_d_hd_other = fs_q_ph_hd_other_body_derivative_steps_before * S ((S (ff_i_ph_hd_other_body_derivative_steps)) * ff_e_hd_other) + (ff_previous_ph_hd_other_body_derivative_steps))) /\ ((((exists fs_h_ph_hd_other_body_derivative_steps_after. fs_h_ph_hd_other_body_derivative_steps_after + S (ff_current_ph_hd_other_body_derivative_steps) = S ((S (S ff_i_ph_hd_other_body_derivative_steps)) * ff_e_hd_other)) /\ exists fs_q_ph_hd_other_body_derivative_steps_after. ff_d_hd_other = fs_q_ph_hd_other_body_derivative_steps_after * S ((S (S ff_i_ph_hd_other_body_derivative_steps)) * ff_e_hd_other) + (ff_current_ph_hd_other_body_derivative_steps))) /\ ff_current_ph_hd_other_body_derivative_steps = ff_previous_ph_hd_other_body_derivative_steps * t + ff_coefficient_ph_hd_other_body_derivative_steps)))))))) -> z = wConstructive proof overview
Generated structural guide
The formal derivative component is independent of every possible choice of coupled beta trace.
The unchanged tactic script uses 1 declared prerequisite and contains 24 exact native proof lines.
Alpha v34 checked-use · first admitted v24 · independently kernel and Lean verified; not Stable
Proof neighborhood
Direct dependencies
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
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.
Named ingredients (1)
01Fix variables and assumptionsL1–10
02Establish hequalL11–20
Establish this local claim before using it. It is not an additional assumption. The following proof commands apply beta horner derivative functional.
- L11
have hequal : (n = m /\ z = w) - L12
specialize beta_horner_derivative_functional b - L13
specialize beta_horner_derivative_functional c - L14
specialize beta_horner_derivative_functional t - L15
specialize beta_horner_derivative_functional l - L16
specialize beta_horner_derivative_functional n - L17
specialize beta_horner_derivative_functional z - L18
specialize beta_horner_derivative_functional m - L19
specialize beta_horner_derivative_functional w - L20
apply beta_horner_derivative_functional
03Use earlier factsL21–22
04Separate the logical casesL23–23
Follow the explicit conjunction, disjunction, witness, or contradiction step recorded below.
- L23
cases hequal
05Use earlier factsL24–24
Instantiate or apply named facts and discharge the corresponding proof obligations.
- L24
exact hequal_right
Original exact command ledger · 24 lines
- 0001
intro b - 0002
intro c - 0003
intro t - 0004
intro l - 0005
intro n - 0006
intro z - 0007
intro m - 0008
intro w - 0009
intro hleft - 0010
intro hright - 0011
have hequal : (n = m /\ z = w) - 0012
specialize beta_horner_derivative_functional b - 0013
specialize beta_horner_derivative_functional c - 0014
specialize beta_horner_derivative_functional t - 0015
specialize beta_horner_derivative_functional l - 0016
specialize beta_horner_derivative_functional n - 0017
specialize beta_horner_derivative_functional z - 0018
specialize beta_horner_derivative_functional m - 0019
specialize beta_horner_derivative_functional w - 0020
apply beta_horner_derivative_functional - 0021
exact hleft - 0022
exact hright - 0023
cases hequal - 0024
exact hequal_right
Separate complete second-wave branches: Full G095 proof · Alpha v27.