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 N ell k. (exists pc_le_cheb_full_positive. pc_le_cheb_full_positive + (2) = (N)) -> ((((N) = 0 /\ (ell) = 1) \/ exists ff_exponent_bl_pc_cheb_full_length ff_lower_bl_pc_cheb_full_length ff_upper_bl_pc_cheb_full_length. (((ell) = S ff_exponent_bl_pc_cheb_full_length) /\ ((exists ff_positive_bl_pc_cheb_full_length. ff_positive_bl_pc_cheb_full_length + 1 = (N)) /\ ((exists pa_b_bl_pc_cheb_full_length_lower pa_c_bl_pc_cheb_full_length_lower. ((forall pa_i_bl_pc_cheb_full_length_lower_repeat. (exists pa_lt_bl_pc_cheb_full_length_lower_repeat_bound. pa_lt_bl_pc_cheb_full_length_lower_repeat_bound + S pa_i_bl_pc_cheb_full_length_lower_repeat = ff_exponent_bl_pc_cheb_full_length) -> (((exists pa_h_bl_pc_cheb_full_length_lower_repeat_decoded. pa_h_bl_pc_cheb_full_length_lower_repeat_decoded + S (2) = S ((S (pa_i_bl_pc_cheb_full_length_lower_repeat)) * pa_c_bl_pc_cheb_full_length_lower)) /\ exists pa_q_bl_pc_cheb_full_length_lower_repeat_decoded. pa_b_bl_pc_cheb_full_length_lower = pa_q_bl_pc_cheb_full_length_lower_repeat_decoded * S ((S (pa_i_bl_pc_cheb_full_length_lower_repeat)) * pa_c_bl_pc_cheb_full_length_lower) + (2)))) /\ (exists pa_u_bl_pc_cheb_full_length_lower_product pa_v_bl_pc_cheb_full_length_lower_product. ((((exists pa_h_bl_pc_cheb_full_length_lower_product_start. pa_h_bl_pc_cheb_full_length_lower_product_start + S (1) = S ((S (0)) * pa_v_bl_pc_cheb_full_length_lower_product)) /\ exists pa_q_bl_pc_cheb_full_length_lower_product_start. pa_u_bl_pc_cheb_full_length_lower_product = pa_q_bl_pc_cheb_full_length_lower_product_start * S ((S (0)) * pa_v_bl_pc_cheb_full_length_lower_product) + (1))) /\ ((((exists pa_h_bl_pc_cheb_full_length_lower_product_terminal. pa_h_bl_pc_cheb_full_length_lower_product_terminal + S (ff_lower_bl_pc_cheb_full_length) = S ((S (ff_exponent_bl_pc_cheb_full_length)) * pa_v_bl_pc_cheb_full_length_lower_product)) /\ exists pa_q_bl_pc_cheb_full_length_lower_product_terminal. pa_u_bl_pc_cheb_full_length_lower_product = pa_q_bl_pc_cheb_full_length_lower_product_terminal * S ((S (ff_exponent_bl_pc_cheb_full_length)) * pa_v_bl_pc_cheb_full_length_lower_product) + (ff_lower_bl_pc_cheb_full_length))) /\ forall pa_i_bl_pc_cheb_full_length_lower_product. (exists pa_lt_bl_pc_cheb_full_length_lower_product_bound. pa_lt_bl_pc_cheb_full_length_lower_product_bound + S pa_i_bl_pc_cheb_full_length_lower_product = ff_exponent_bl_pc_cheb_full_length) -> exists pa_p_bl_pc_cheb_full_length_lower_product pa_r_bl_pc_cheb_full_length_lower_product pa_s_bl_pc_cheb_full_length_lower_product. ((((exists pa_h_bl_pc_cheb_full_length_lower_product_factor. pa_h_bl_pc_cheb_full_length_lower_product_factor + S (pa_p_bl_pc_cheb_full_length_lower_product) = S ((S (pa_i_bl_pc_cheb_full_length_lower_product)) * pa_c_bl_pc_cheb_full_length_lower)) /\ exists pa_q_bl_pc_cheb_full_length_lower_product_factor. pa_b_bl_pc_cheb_full_length_lower = pa_q_bl_pc_cheb_full_length_lower_product_factor * S ((S (pa_i_bl_pc_cheb_full_length_lower_product)) * pa_c_bl_pc_cheb_full_length_lower) + (pa_p_bl_pc_cheb_full_length_lower_product))) /\ ((((exists pa_h_bl_pc_cheb_full_length_lower_product_partial. pa_h_bl_pc_cheb_full_length_lower_product_partial + S (pa_r_bl_pc_cheb_full_length_lower_product) = S ((S (pa_i_bl_pc_cheb_full_length_lower_product)) * pa_v_bl_pc_cheb_full_length_lower_product)) /\ exists pa_q_bl_pc_cheb_full_length_lower_product_partial. pa_u_bl_pc_cheb_full_length_lower_product = pa_q_bl_pc_cheb_full_length_lower_product_partial * S ((S (pa_i_bl_pc_cheb_full_length_lower_product)) * pa_v_bl_pc_cheb_full_length_lower_product) + (pa_r_bl_pc_cheb_full_length_lower_product))) /\ ((((exists pa_h_bl_pc_cheb_full_length_lower_product_successor. pa_h_bl_pc_cheb_full_length_lower_product_successor + S (pa_s_bl_pc_cheb_full_length_lower_product) = S ((S (S pa_i_bl_pc_cheb_full_length_lower_product)) * pa_v_bl_pc_cheb_full_length_lower_product)) /\ exists pa_q_bl_pc_cheb_full_length_lower_product_successor. pa_u_bl_pc_cheb_full_length_lower_product = pa_q_bl_pc_cheb_full_length_lower_product_successor * S ((S (S pa_i_bl_pc_cheb_full_length_lower_product)) * pa_v_bl_pc_cheb_full_length_lower_product) + (pa_s_bl_pc_cheb_full_length_lower_product))) /\ pa_s_bl_pc_cheb_full_length_lower_product = pa_r_bl_pc_cheb_full_length_lower_product * pa_p_bl_pc_cheb_full_length_lower_product)))))))) /\ ((exists pa_b_bl_pc_cheb_full_length_upper pa_c_bl_pc_cheb_full_length_upper. ((forall pa_i_bl_pc_cheb_full_length_upper_repeat. (exists pa_lt_bl_pc_cheb_full_length_upper_repeat_bound. pa_lt_bl_pc_cheb_full_length_upper_repeat_bound + S pa_i_bl_pc_cheb_full_length_upper_repeat = ell) -> (((exists pa_h_bl_pc_cheb_full_length_upper_repeat_decoded. pa_h_bl_pc_cheb_full_length_upper_repeat_decoded + S (2) = S ((S (pa_i_bl_pc_cheb_full_length_upper_repeat)) * pa_c_bl_pc_cheb_full_length_upper)) /\ exists pa_q_bl_pc_cheb_full_length_upper_repeat_decoded. pa_b_bl_pc_cheb_full_length_upper = pa_q_bl_pc_cheb_full_length_upper_repeat_decoded * S ((S (pa_i_bl_pc_cheb_full_length_upper_repeat)) * pa_c_bl_pc_cheb_full_length_upper) + (2)))) /\ (exists pa_u_bl_pc_cheb_full_length_upper_product pa_v_bl_pc_cheb_full_length_upper_product. ((((exists pa_h_bl_pc_cheb_full_length_upper_product_start. pa_h_bl_pc_cheb_full_length_upper_product_start + S (1) = S ((S (0)) * pa_v_bl_pc_cheb_full_length_upper_product)) /\ exists pa_q_bl_pc_cheb_full_length_upper_product_start. pa_u_bl_pc_cheb_full_length_upper_product = pa_q_bl_pc_cheb_full_length_upper_product_start * S ((S (0)) * pa_v_bl_pc_cheb_full_length_upper_product) + (1))) /\ ((((exists pa_h_bl_pc_cheb_full_length_upper_product_terminal. pa_h_bl_pc_cheb_full_length_upper_product_terminal + S (ff_upper_bl_pc_cheb_full_length) = S ((S (ell)) * pa_v_bl_pc_cheb_full_length_upper_product)) /\ exists pa_q_bl_pc_cheb_full_length_upper_product_terminal. pa_u_bl_pc_cheb_full_length_upper_product = pa_q_bl_pc_cheb_full_length_upper_product_terminal * S ((S (ell)) * pa_v_bl_pc_cheb_full_length_upper_product) + (ff_upper_bl_pc_cheb_full_length))) /\ forall pa_i_bl_pc_cheb_full_length_upper_product. (exists pa_lt_bl_pc_cheb_full_length_upper_product_bound. pa_lt_bl_pc_cheb_full_length_upper_product_bound + S pa_i_bl_pc_cheb_full_length_upper_product = ell) -> exists pa_p_bl_pc_cheb_full_length_upper_product pa_r_bl_pc_cheb_full_length_upper_product pa_s_bl_pc_cheb_full_length_upper_product. ((((exists pa_h_bl_pc_cheb_full_length_upper_product_factor. pa_h_bl_pc_cheb_full_length_upper_product_factor + S (pa_p_bl_pc_cheb_full_length_upper_product) = S ((S (pa_i_bl_pc_cheb_full_length_upper_product)) * pa_c_bl_pc_cheb_full_length_upper)) /\ exists pa_q_bl_pc_cheb_full_length_upper_product_factor. pa_b_bl_pc_cheb_full_length_upper = pa_q_bl_pc_cheb_full_length_upper_product_factor * S ((S (pa_i_bl_pc_cheb_full_length_upper_product)) * pa_c_bl_pc_cheb_full_length_upper) + (pa_p_bl_pc_cheb_full_length_upper_product))) /\ ((((exists pa_h_bl_pc_cheb_full_length_upper_product_partial. pa_h_bl_pc_cheb_full_length_upper_product_partial + S (pa_r_bl_pc_cheb_full_length_upper_product) = S ((S (pa_i_bl_pc_cheb_full_length_upper_product)) * pa_v_bl_pc_cheb_full_length_upper_product)) /\ exists pa_q_bl_pc_cheb_full_length_upper_product_partial. pa_u_bl_pc_cheb_full_length_upper_product = pa_q_bl_pc_cheb_full_length_upper_product_partial * S ((S (pa_i_bl_pc_cheb_full_length_upper_product)) * pa_v_bl_pc_cheb_full_length_upper_product) + (pa_r_bl_pc_cheb_full_length_upper_product))) /\ ((((exists pa_h_bl_pc_cheb_full_length_upper_product_successor. pa_h_bl_pc_cheb_full_length_upper_product_successor + S (pa_s_bl_pc_cheb_full_length_upper_product) = S ((S (S pa_i_bl_pc_cheb_full_length_upper_product)) * pa_v_bl_pc_cheb_full_length_upper_product)) /\ exists pa_q_bl_pc_cheb_full_length_upper_product_successor. pa_u_bl_pc_cheb_full_length_upper_product = pa_q_bl_pc_cheb_full_length_upper_product_successor * S ((S (S pa_i_bl_pc_cheb_full_length_upper_product)) * pa_v_bl_pc_cheb_full_length_upper_product) + (pa_s_bl_pc_cheb_full_length_upper_product))) /\ pa_s_bl_pc_cheb_full_length_upper_product = pa_r_bl_pc_cheb_full_length_upper_product * pa_p_bl_pc_cheb_full_length_upper_product)))))))) /\ ((exists ff_lower_gap_bl_pc_cheb_full_length. ff_lower_gap_bl_pc_cheb_full_length + (ff_lower_bl_pc_cheb_full_length) = (N)) /\ (exists ff_upper_gap_bl_pc_cheb_full_length. ff_upper_gap_bl_pc_cheb_full_length + S (N) = (ff_upper_bl_pc_cheb_full_length))))))))) -> (exists pc_code_cheb_full_count pc_scale_cheb_full_count. (forall pc_index_cheb_full_count_mask. (exists pc_lt_cheb_full_count_mask_bound. pc_lt_cheb_full_count_mask_bound + S (pc_index_cheb_full_count_mask) = (N)) -> exists pc_bit_cheb_full_count_mask. (((exists fs_h_pc_cheb_full_count_mask_entry. fs_h_pc_cheb_full_count_mask_entry + S (pc_bit_cheb_full_count_mask) = S ((S (pc_index_cheb_full_count_mask)) * pc_scale_cheb_full_count)) /\ exists fs_q_pc_cheb_full_count_mask_entry. pc_code_cheb_full_count = fs_q_pc_cheb_full_count_mask_entry * S ((S (pc_index_cheb_full_count_mask)) * pc_scale_cheb_full_count) + (pc_bit_cheb_full_count_mask))) /\ (((((~(S (pc_index_cheb_full_count_mask) = 1) /\ forall bpr_left_pc_cheb_full_count_mask_choice_prime bpr_right_pc_cheb_full_count_mask_choice_prime. S (pc_index_cheb_full_count_mask) = bpr_left_pc_cheb_full_count_mask_choice_prime * bpr_right_pc_cheb_full_count_mask_choice_prime -> bpr_left_pc_cheb_full_count_mask_choice_prime = 1 \/ bpr_right_pc_cheb_full_count_mask_choice_prime = 1)) /\ pc_bit_cheb_full_count_mask = 1) \/ (~((~(S (pc_index_cheb_full_count_mask) = 1) /\ forall bpr_left_pc_cheb_full_count_mask_choice_prime bpr_right_pc_cheb_full_count_mask_choice_prime. S (pc_index_cheb_full_count_mask) = bpr_left_pc_cheb_full_count_mask_choice_prime * bpr_right_pc_cheb_full_count_mask_choice_prime -> bpr_left_pc_cheb_full_count_mask_choice_prime = 1 \/ bpr_right_pc_cheb_full_count_mask_choice_prime = 1)) /\ pc_bit_cheb_full_count_mask = 0)))) /\ (exists fs_u_pc_cheb_full_count_sum fs_v_pc_cheb_full_count_sum. ((((exists fs_h_pc_cheb_full_count_sum_body_start. fs_h_pc_cheb_full_count_sum_body_start + S (0) = S ((S (0)) * fs_v_pc_cheb_full_count_sum)) /\ exists fs_q_pc_cheb_full_count_sum_body_start. fs_u_pc_cheb_full_count_sum = fs_q_pc_cheb_full_count_sum_body_start * S ((S (0)) * fs_v_pc_cheb_full_count_sum) + (0))) /\ ((((exists fs_h_pc_cheb_full_count_sum_body_terminal. fs_h_pc_cheb_full_count_sum_body_terminal + S (k) = S ((S (N)) * fs_v_pc_cheb_full_count_sum)) /\ exists fs_q_pc_cheb_full_count_sum_body_terminal. fs_u_pc_cheb_full_count_sum = fs_q_pc_cheb_full_count_sum_body_terminal * S ((S (N)) * fs_v_pc_cheb_full_count_sum) + (k))) /\ forall fs_i_pc_cheb_full_count_sum_body_steps. (exists fs_lt_pc_cheb_full_count_sum_body_steps_bound. fs_lt_pc_cheb_full_count_sum_body_steps_bound + S fs_i_pc_cheb_full_count_sum_body_steps = N) -> exists fs_a_pc_cheb_full_count_sum_body_steps fs_r_pc_cheb_full_count_sum_body_steps fs_s_pc_cheb_full_count_sum_body_steps. ((((exists fs_h_pc_cheb_full_count_sum_body_steps_summand. fs_h_pc_cheb_full_count_sum_body_steps_summand + S (fs_a_pc_cheb_full_count_sum_body_steps) = S ((S (fs_i_pc_cheb_full_count_sum_body_steps)) * pc_scale_cheb_full_count)) /\ exists fs_q_pc_cheb_full_count_sum_body_steps_summand. pc_code_cheb_full_count = fs_q_pc_cheb_full_count_sum_body_steps_summand * S ((S (fs_i_pc_cheb_full_count_sum_body_steps)) * pc_scale_cheb_full_count) + (fs_a_pc_cheb_full_count_sum_body_steps))) /\ ((((exists fs_h_pc_cheb_full_count_sum_body_steps_partial. fs_h_pc_cheb_full_count_sum_body_steps_partial + S (fs_r_pc_cheb_full_count_sum_body_steps) = S ((S (fs_i_pc_cheb_full_count_sum_body_steps)) * fs_v_pc_cheb_full_count_sum)) /\ exists fs_q_pc_cheb_full_count_sum_body_steps_partial. fs_u_pc_cheb_full_count_sum = fs_q_pc_cheb_full_count_sum_body_steps_partial * S ((S (fs_i_pc_cheb_full_count_sum_body_steps)) * fs_v_pc_cheb_full_count_sum) + (fs_r_pc_cheb_full_count_sum_body_steps))) /\ ((((exists fs_h_pc_cheb_full_count_sum_body_steps_successor. fs_h_pc_cheb_full_count_sum_body_steps_successor + S (fs_s_pc_cheb_full_count_sum_body_steps) = S ((S (S fs_i_pc_cheb_full_count_sum_body_steps)) * fs_v_pc_cheb_full_count_sum)) /\ exists fs_q_pc_cheb_full_count_sum_body_steps_successor. fs_u_pc_cheb_full_count_sum = fs_q_pc_cheb_full_count_sum_body_steps_successor * S ((S (S fs_i_pc_cheb_full_count_sum_body_steps)) * fs_v_pc_cheb_full_count_sum) + (fs_s_pc_cheb_full_count_sum_body_steps))) /\ fs_s_pc_cheb_full_count_sum_body_steps = fs_r_pc_cheb_full_count_sum_body_steps + fs_a_pc_cheb_full_count_sum_body_steps))))))) -> (exists pc_le_cheb_full_lower. pc_le_cheb_full_lower + (N) = (8 * k * ell)) /\ (exists pc_le_cheb_full_upper. pc_le_cheb_full_upper + (k * ell) = (8 * N))Constructive proof overview
Generated structural guide
Exact G027: for every N at least two and its actual prime count and binary length, N <= 8*pi(N)*BitLen(N) and pi(N)*BitLen(N) <= 8N.
The unchanged tactic script uses 2 declared prerequisites and contains 21 exact native proof lines.
Alpha v34 checked-use · first admitted v27 · 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 (2)
01Fix variables and assumptionsL1–6
02Separate the logical casesL7–7
Follow the explicit conjunction, disjunction, witness, or contradiction step recorded below.
- L7
split
03Use earlier factsL8–17
Instantiate or apply named facts and discharge the corresponding proof obligations.
- L8
specialize prime_count_chebyshev_lower N - L9
specialize prime_count_chebyshev_lower ell - L10
specialize prime_count_chebyshev_lower k - L11
apply prime_count_chebyshev_lower - L12
exact hN - L13
exact hl - L14
exact hk - L15
specialize prime_count_chebyshev_upper N - L16
specialize prime_count_chebyshev_upper ell - L17
specialize prime_count_chebyshev_upper k
Original exact command ledger · 21 lines
- 0001
intro N - 0002
intro ell - 0003
intro k - 0004
intro hN - 0005
intro hl - 0006
intro hk - 0007
split - 0008
specialize prime_count_chebyshev_lower N - 0009
specialize prime_count_chebyshev_lower ell - 0010
specialize prime_count_chebyshev_lower k - 0011
apply prime_count_chebyshev_lower - 0012
exact hN - 0013
exact hl - 0014
exact hk - 0015
specialize prime_count_chebyshev_upper N - 0016
specialize prime_count_chebyshev_upper ell - 0017
specialize prime_count_chebyshev_upper k - 0018
apply prime_count_chebyshev_upper - 0019
exact hN - 0020
exact hl - 0021
exact hk