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. (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_ph_hd_value ff_v_ph_hd_value. ((((exists fs_h_ph_hd_value_body_start. fs_h_ph_hd_value_body_start + S (0) = S ((S (0)) * ff_v_ph_hd_value)) /\ exists fs_q_ph_hd_value_body_start. ff_u_ph_hd_value = fs_q_ph_hd_value_body_start * S ((S (0)) * ff_v_ph_hd_value) + (0))) /\ ((((exists fs_h_ph_hd_value_body_terminal. fs_h_ph_hd_value_body_terminal + S (n) = S ((S (l)) * ff_v_ph_hd_value)) /\ exists fs_q_ph_hd_value_body_terminal. ff_u_ph_hd_value = fs_q_ph_hd_value_body_terminal * S ((S (l)) * ff_v_ph_hd_value) + (n))) /\ forall ff_i_ph_hd_value_body_steps. (exists ph_bound_hd_value_body_steps. ph_bound_hd_value_body_steps + S ff_i_ph_hd_value_body_steps = l) -> exists ff_coefficient_ph_hd_value_body_steps ff_previous_ph_hd_value_body_steps ff_current_ph_hd_value_body_steps. ((((exists fs_h_ph_hd_value_body_steps_coefficient. fs_h_ph_hd_value_body_steps_coefficient + S (ff_coefficient_ph_hd_value_body_steps) = S ((S (ff_i_ph_hd_value_body_steps)) * c)) /\ exists fs_q_ph_hd_value_body_steps_coefficient. b = fs_q_ph_hd_value_body_steps_coefficient * S ((S (ff_i_ph_hd_value_body_steps)) * c) + (ff_coefficient_ph_hd_value_body_steps))) /\ ((((exists fs_h_ph_hd_value_body_steps_before. fs_h_ph_hd_value_body_steps_before + S (ff_previous_ph_hd_value_body_steps) = S ((S (ff_i_ph_hd_value_body_steps)) * ff_v_ph_hd_value)) /\ exists fs_q_ph_hd_value_body_steps_before. ff_u_ph_hd_value = fs_q_ph_hd_value_body_steps_before * S ((S (ff_i_ph_hd_value_body_steps)) * ff_v_ph_hd_value) + (ff_previous_ph_hd_value_body_steps))) /\ ((((exists fs_h_ph_hd_value_body_steps_after. fs_h_ph_hd_value_body_steps_after + S (ff_current_ph_hd_value_body_steps) = S ((S (S ff_i_ph_hd_value_body_steps)) * ff_v_ph_hd_value)) /\ exists fs_q_ph_hd_value_body_steps_after. ff_u_ph_hd_value = fs_q_ph_hd_value_body_steps_after * S ((S (S ff_i_ph_hd_value_body_steps)) * ff_v_ph_hd_value) + (ff_current_ph_hd_value_body_steps))) /\ ff_current_ph_hd_value_body_steps = ff_previous_ph_hd_value_body_steps * t + ff_coefficient_ph_hd_value_body_steps))))))Constructive proof overview
Generated structural guide
The first component of simultaneous formal differentiation is exactly the preexisting polynomial Horner value.
The unchanged tactic script uses 0 declared prerequisites and contains 15 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.
01Fix variables and assumptionsL1–7
02Separate the logical casesL8–12
03Construct an explicit witnessL13–14
04Use earlier factsL15–15
Instantiate or apply named facts and discharge the corresponding proof obligations.
- L15
exact hpair_witness_witness_witness_witness_left
Original exact command ledger · 15 lines
- 0001
intro b - 0002
intro c - 0003
intro t - 0004
intro l - 0005
intro n - 0006
intro z - 0007
intro hpair - 0008
cases hpair - 0009
cases hpair_witness - 0010
cases hpair_witness_witness - 0011
cases hpair_witness_witness_witness - 0012
cases hpair_witness_witness_witness_witness - 0013
exists x - 0014
exists x1 - 0015
exact hpair_witness_witness_witness_witness_left
Separate complete second-wave branches: Full G095 proof · Alpha v27.