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 l b c L B C. ((((((n) = 0 /\ (l) = 1) \/ exists ff_exponent_bl_bd_length_left_length ff_lower_bl_bd_length_left_length ff_upper_bl_bd_length_left_length. (((l) = S ff_exponent_bl_bd_length_left_length) /\ ((exists ff_positive_bl_bd_length_left_length. ff_positive_bl_bd_length_left_length + 1 = (n)) /\ ((exists pa_b_bl_bd_length_left_length_lower pa_c_bl_bd_length_left_length_lower. ((forall pa_i_bl_bd_length_left_length_lower_repeat. (exists pa_lt_bl_bd_length_left_length_lower_repeat_bound. pa_lt_bl_bd_length_left_length_lower_repeat_bound + S pa_i_bl_bd_length_left_length_lower_repeat = ff_exponent_bl_bd_length_left_length) -> (((exists pa_h_bl_bd_length_left_length_lower_repeat_decoded. pa_h_bl_bd_length_left_length_lower_repeat_decoded + S (2) = S ((S (pa_i_bl_bd_length_left_length_lower_repeat)) * pa_c_bl_bd_length_left_length_lower)) /\ exists pa_q_bl_bd_length_left_length_lower_repeat_decoded. pa_b_bl_bd_length_left_length_lower = pa_q_bl_bd_length_left_length_lower_repeat_decoded * S ((S (pa_i_bl_bd_length_left_length_lower_repeat)) * pa_c_bl_bd_length_left_length_lower) + (2)))) /\ (exists pa_u_bl_bd_length_left_length_lower_product pa_v_bl_bd_length_left_length_lower_product. ((((exists pa_h_bl_bd_length_left_length_lower_product_start. pa_h_bl_bd_length_left_length_lower_product_start + S (1) = S ((S (0)) * pa_v_bl_bd_length_left_length_lower_product)) /\ exists pa_q_bl_bd_length_left_length_lower_product_start. pa_u_bl_bd_length_left_length_lower_product = pa_q_bl_bd_length_left_length_lower_product_start * S ((S (0)) * pa_v_bl_bd_length_left_length_lower_product) + (1))) /\ ((((exists pa_h_bl_bd_length_left_length_lower_product_terminal. pa_h_bl_bd_length_left_length_lower_product_terminal + S (ff_lower_bl_bd_length_left_length) = S ((S (ff_exponent_bl_bd_length_left_length)) * pa_v_bl_bd_length_left_length_lower_product)) /\ exists pa_q_bl_bd_length_left_length_lower_product_terminal. pa_u_bl_bd_length_left_length_lower_product = pa_q_bl_bd_length_left_length_lower_product_terminal * S ((S (ff_exponent_bl_bd_length_left_length)) * pa_v_bl_bd_length_left_length_lower_product) + (ff_lower_bl_bd_length_left_length))) /\ forall pa_i_bl_bd_length_left_length_lower_product. (exists pa_lt_bl_bd_length_left_length_lower_product_bound. pa_lt_bl_bd_length_left_length_lower_product_bound + S pa_i_bl_bd_length_left_length_lower_product = ff_exponent_bl_bd_length_left_length) -> exists pa_p_bl_bd_length_left_length_lower_product pa_r_bl_bd_length_left_length_lower_product pa_s_bl_bd_length_left_length_lower_product. ((((exists pa_h_bl_bd_length_left_length_lower_product_factor. pa_h_bl_bd_length_left_length_lower_product_factor + S (pa_p_bl_bd_length_left_length_lower_product) = S ((S (pa_i_bl_bd_length_left_length_lower_product)) * pa_c_bl_bd_length_left_length_lower)) /\ exists pa_q_bl_bd_length_left_length_lower_product_factor. pa_b_bl_bd_length_left_length_lower = pa_q_bl_bd_length_left_length_lower_product_factor * S ((S (pa_i_bl_bd_length_left_length_lower_product)) * pa_c_bl_bd_length_left_length_lower) + (pa_p_bl_bd_length_left_length_lower_product))) /\ ((((exists pa_h_bl_bd_length_left_length_lower_product_partial. pa_h_bl_bd_length_left_length_lower_product_partial + S (pa_r_bl_bd_length_left_length_lower_product) = S ((S (pa_i_bl_bd_length_left_length_lower_product)) * pa_v_bl_bd_length_left_length_lower_product)) /\ exists pa_q_bl_bd_length_left_length_lower_product_partial. pa_u_bl_bd_length_left_length_lower_product = pa_q_bl_bd_length_left_length_lower_product_partial * S ((S (pa_i_bl_bd_length_left_length_lower_product)) * pa_v_bl_bd_length_left_length_lower_product) + (pa_r_bl_bd_length_left_length_lower_product))) /\ ((((exists pa_h_bl_bd_length_left_length_lower_product_successor. pa_h_bl_bd_length_left_length_lower_product_successor + S (pa_s_bl_bd_length_left_length_lower_product) = S ((S (S pa_i_bl_bd_length_left_length_lower_product)) * pa_v_bl_bd_length_left_length_lower_product)) /\ exists pa_q_bl_bd_length_left_length_lower_product_successor. pa_u_bl_bd_length_left_length_lower_product = pa_q_bl_bd_length_left_length_lower_product_successor * S ((S (S pa_i_bl_bd_length_left_length_lower_product)) * pa_v_bl_bd_length_left_length_lower_product) + (pa_s_bl_bd_length_left_length_lower_product))) /\ pa_s_bl_bd_length_left_length_lower_product = pa_r_bl_bd_length_left_length_lower_product * pa_p_bl_bd_length_left_length_lower_product)))))))) /\ ((exists pa_b_bl_bd_length_left_length_upper pa_c_bl_bd_length_left_length_upper. ((forall pa_i_bl_bd_length_left_length_upper_repeat. (exists pa_lt_bl_bd_length_left_length_upper_repeat_bound. pa_lt_bl_bd_length_left_length_upper_repeat_bound + S pa_i_bl_bd_length_left_length_upper_repeat = l) -> (((exists pa_h_bl_bd_length_left_length_upper_repeat_decoded. pa_h_bl_bd_length_left_length_upper_repeat_decoded + S (2) = S ((S (pa_i_bl_bd_length_left_length_upper_repeat)) * pa_c_bl_bd_length_left_length_upper)) /\ exists pa_q_bl_bd_length_left_length_upper_repeat_decoded. pa_b_bl_bd_length_left_length_upper = pa_q_bl_bd_length_left_length_upper_repeat_decoded * S ((S (pa_i_bl_bd_length_left_length_upper_repeat)) * pa_c_bl_bd_length_left_length_upper) + (2)))) /\ (exists pa_u_bl_bd_length_left_length_upper_product pa_v_bl_bd_length_left_length_upper_product. ((((exists pa_h_bl_bd_length_left_length_upper_product_start. pa_h_bl_bd_length_left_length_upper_product_start + S (1) = S ((S (0)) * pa_v_bl_bd_length_left_length_upper_product)) /\ exists pa_q_bl_bd_length_left_length_upper_product_start. pa_u_bl_bd_length_left_length_upper_product = pa_q_bl_bd_length_left_length_upper_product_start * S ((S (0)) * pa_v_bl_bd_length_left_length_upper_product) + (1))) /\ ((((exists pa_h_bl_bd_length_left_length_upper_product_terminal. pa_h_bl_bd_length_left_length_upper_product_terminal + S (ff_upper_bl_bd_length_left_length) = S ((S (l)) * pa_v_bl_bd_length_left_length_upper_product)) /\ exists pa_q_bl_bd_length_left_length_upper_product_terminal. pa_u_bl_bd_length_left_length_upper_product = pa_q_bl_bd_length_left_length_upper_product_terminal * S ((S (l)) * pa_v_bl_bd_length_left_length_upper_product) + (ff_upper_bl_bd_length_left_length))) /\ forall pa_i_bl_bd_length_left_length_upper_product. (exists pa_lt_bl_bd_length_left_length_upper_product_bound. pa_lt_bl_bd_length_left_length_upper_product_bound + S pa_i_bl_bd_length_left_length_upper_product = l) -> exists pa_p_bl_bd_length_left_length_upper_product pa_r_bl_bd_length_left_length_upper_product pa_s_bl_bd_length_left_length_upper_product. ((((exists pa_h_bl_bd_length_left_length_upper_product_factor. pa_h_bl_bd_length_left_length_upper_product_factor + S (pa_p_bl_bd_length_left_length_upper_product) = S ((S (pa_i_bl_bd_length_left_length_upper_product)) * pa_c_bl_bd_length_left_length_upper)) /\ exists pa_q_bl_bd_length_left_length_upper_product_factor. pa_b_bl_bd_length_left_length_upper = pa_q_bl_bd_length_left_length_upper_product_factor * S ((S (pa_i_bl_bd_length_left_length_upper_product)) * pa_c_bl_bd_length_left_length_upper) + (pa_p_bl_bd_length_left_length_upper_product))) /\ ((((exists pa_h_bl_bd_length_left_length_upper_product_partial. pa_h_bl_bd_length_left_length_upper_product_partial + S (pa_r_bl_bd_length_left_length_upper_product) = S ((S (pa_i_bl_bd_length_left_length_upper_product)) * pa_v_bl_bd_length_left_length_upper_product)) /\ exists pa_q_bl_bd_length_left_length_upper_product_partial. pa_u_bl_bd_length_left_length_upper_product = pa_q_bl_bd_length_left_length_upper_product_partial * S ((S (pa_i_bl_bd_length_left_length_upper_product)) * pa_v_bl_bd_length_left_length_upper_product) + (pa_r_bl_bd_length_left_length_upper_product))) /\ ((((exists pa_h_bl_bd_length_left_length_upper_product_successor. pa_h_bl_bd_length_left_length_upper_product_successor + S (pa_s_bl_bd_length_left_length_upper_product) = S ((S (S pa_i_bl_bd_length_left_length_upper_product)) * pa_v_bl_bd_length_left_length_upper_product)) /\ exists pa_q_bl_bd_length_left_length_upper_product_successor. pa_u_bl_bd_length_left_length_upper_product = pa_q_bl_bd_length_left_length_upper_product_successor * S ((S (S pa_i_bl_bd_length_left_length_upper_product)) * pa_v_bl_bd_length_left_length_upper_product) + (pa_s_bl_bd_length_left_length_upper_product))) /\ pa_s_bl_bd_length_left_length_upper_product = pa_r_bl_bd_length_left_length_upper_product * pa_p_bl_bd_length_left_length_upper_product)))))))) /\ ((exists ff_lower_gap_bl_bd_length_left_length. ff_lower_gap_bl_bd_length_left_length + (ff_lower_bl_bd_length_left_length) = (n)) /\ (exists ff_upper_gap_bl_bd_length_left_length. ff_upper_gap_bl_bd_length_left_length + S (n) = (ff_upper_bl_bd_length_left_length))))))))) /\ (((forall ff_index_be_bd_length_left_code_digits ff_digit_be_bd_length_left_code_digits. (exists ff_lt_be_bd_length_left_code_digits_bound. ff_lt_be_bd_length_left_code_digits_bound + S ff_index_be_bd_length_left_code_digits = l) -> (((exists ff_h_be_bd_length_left_code_digits_digit. ff_h_be_bd_length_left_code_digits_digit + S (ff_digit_be_bd_length_left_code_digits) = S ((S (ff_index_be_bd_length_left_code_digits)) * c)) /\ exists ff_q_be_bd_length_left_code_digits_digit. b = ff_q_be_bd_length_left_code_digits_digit * S ((S (ff_index_be_bd_length_left_code_digits)) * c) + (ff_digit_be_bd_length_left_code_digits))) -> (ff_digit_be_bd_length_left_code_digits = 0 \/ ff_digit_be_bd_length_left_code_digits = 1)) /\ (exists ff_u_ph_bd_length_left_code_horner ff_v_ph_bd_length_left_code_horner. ((((exists fs_h_ph_bd_length_left_code_horner_body_start. fs_h_ph_bd_length_left_code_horner_body_start + S (0) = S ((S (0)) * ff_v_ph_bd_length_left_code_horner)) /\ exists fs_q_ph_bd_length_left_code_horner_body_start. ff_u_ph_bd_length_left_code_horner = fs_q_ph_bd_length_left_code_horner_body_start * S ((S (0)) * ff_v_ph_bd_length_left_code_horner) + (0))) /\ ((((exists fs_h_ph_bd_length_left_code_horner_body_terminal. fs_h_ph_bd_length_left_code_horner_body_terminal + S (n) = S ((S (l)) * ff_v_ph_bd_length_left_code_horner)) /\ exists fs_q_ph_bd_length_left_code_horner_body_terminal. ff_u_ph_bd_length_left_code_horner = fs_q_ph_bd_length_left_code_horner_body_terminal * S ((S (l)) * ff_v_ph_bd_length_left_code_horner) + (n))) /\ forall ff_i_ph_bd_length_left_code_horner_body_steps. (exists ph_bound_bd_length_left_code_horner_body_steps. ph_bound_bd_length_left_code_horner_body_steps + S ff_i_ph_bd_length_left_code_horner_body_steps = l) -> exists ff_coefficient_ph_bd_length_left_code_horner_body_steps ff_previous_ph_bd_length_left_code_horner_body_steps ff_current_ph_bd_length_left_code_horner_body_steps. ((((exists fs_h_ph_bd_length_left_code_horner_body_steps_coefficient. fs_h_ph_bd_length_left_code_horner_body_steps_coefficient + S (ff_coefficient_ph_bd_length_left_code_horner_body_steps) = S ((S (ff_i_ph_bd_length_left_code_horner_body_steps)) * c)) /\ exists fs_q_ph_bd_length_left_code_horner_body_steps_coefficient. b = fs_q_ph_bd_length_left_code_horner_body_steps_coefficient * S ((S (ff_i_ph_bd_length_left_code_horner_body_steps)) * c) + (ff_coefficient_ph_bd_length_left_code_horner_body_steps))) /\ ((((exists fs_h_ph_bd_length_left_code_horner_body_steps_before. fs_h_ph_bd_length_left_code_horner_body_steps_before + S (ff_previous_ph_bd_length_left_code_horner_body_steps) = S ((S (ff_i_ph_bd_length_left_code_horner_body_steps)) * ff_v_ph_bd_length_left_code_horner)) /\ exists fs_q_ph_bd_length_left_code_horner_body_steps_before. ff_u_ph_bd_length_left_code_horner = fs_q_ph_bd_length_left_code_horner_body_steps_before * S ((S (ff_i_ph_bd_length_left_code_horner_body_steps)) * ff_v_ph_bd_length_left_code_horner) + (ff_previous_ph_bd_length_left_code_horner_body_steps))) /\ ((((exists fs_h_ph_bd_length_left_code_horner_body_steps_after. fs_h_ph_bd_length_left_code_horner_body_steps_after + S (ff_current_ph_bd_length_left_code_horner_body_steps) = S ((S (S ff_i_ph_bd_length_left_code_horner_body_steps)) * ff_v_ph_bd_length_left_code_horner)) /\ exists fs_q_ph_bd_length_left_code_horner_body_steps_after. ff_u_ph_bd_length_left_code_horner = fs_q_ph_bd_length_left_code_horner_body_steps_after * S ((S (S ff_i_ph_bd_length_left_code_horner_body_steps)) * ff_v_ph_bd_length_left_code_horner) + (ff_current_ph_bd_length_left_code_horner_body_steps))) /\ ff_current_ph_bd_length_left_code_horner_body_steps = ff_previous_ph_bd_length_left_code_horner_body_steps * 2 + ff_coefficient_ph_bd_length_left_code_horner_body_steps)))))))))) -> ((((((n) = 0 /\ (L) = 1) \/ exists ff_exponent_bl_bd_length_right_length ff_lower_bl_bd_length_right_length ff_upper_bl_bd_length_right_length. (((L) = S ff_exponent_bl_bd_length_right_length) /\ ((exists ff_positive_bl_bd_length_right_length. ff_positive_bl_bd_length_right_length + 1 = (n)) /\ ((exists pa_b_bl_bd_length_right_length_lower pa_c_bl_bd_length_right_length_lower. ((forall pa_i_bl_bd_length_right_length_lower_repeat. (exists pa_lt_bl_bd_length_right_length_lower_repeat_bound. pa_lt_bl_bd_length_right_length_lower_repeat_bound + S pa_i_bl_bd_length_right_length_lower_repeat = ff_exponent_bl_bd_length_right_length) -> (((exists pa_h_bl_bd_length_right_length_lower_repeat_decoded. pa_h_bl_bd_length_right_length_lower_repeat_decoded + S (2) = S ((S (pa_i_bl_bd_length_right_length_lower_repeat)) * pa_c_bl_bd_length_right_length_lower)) /\ exists pa_q_bl_bd_length_right_length_lower_repeat_decoded. pa_b_bl_bd_length_right_length_lower = pa_q_bl_bd_length_right_length_lower_repeat_decoded * S ((S (pa_i_bl_bd_length_right_length_lower_repeat)) * pa_c_bl_bd_length_right_length_lower) + (2)))) /\ (exists pa_u_bl_bd_length_right_length_lower_product pa_v_bl_bd_length_right_length_lower_product. ((((exists pa_h_bl_bd_length_right_length_lower_product_start. pa_h_bl_bd_length_right_length_lower_product_start + S (1) = S ((S (0)) * pa_v_bl_bd_length_right_length_lower_product)) /\ exists pa_q_bl_bd_length_right_length_lower_product_start. pa_u_bl_bd_length_right_length_lower_product = pa_q_bl_bd_length_right_length_lower_product_start * S ((S (0)) * pa_v_bl_bd_length_right_length_lower_product) + (1))) /\ ((((exists pa_h_bl_bd_length_right_length_lower_product_terminal. pa_h_bl_bd_length_right_length_lower_product_terminal + S (ff_lower_bl_bd_length_right_length) = S ((S (ff_exponent_bl_bd_length_right_length)) * pa_v_bl_bd_length_right_length_lower_product)) /\ exists pa_q_bl_bd_length_right_length_lower_product_terminal. pa_u_bl_bd_length_right_length_lower_product = pa_q_bl_bd_length_right_length_lower_product_terminal * S ((S (ff_exponent_bl_bd_length_right_length)) * pa_v_bl_bd_length_right_length_lower_product) + (ff_lower_bl_bd_length_right_length))) /\ forall pa_i_bl_bd_length_right_length_lower_product. (exists pa_lt_bl_bd_length_right_length_lower_product_bound. pa_lt_bl_bd_length_right_length_lower_product_bound + S pa_i_bl_bd_length_right_length_lower_product = ff_exponent_bl_bd_length_right_length) -> exists pa_p_bl_bd_length_right_length_lower_product pa_r_bl_bd_length_right_length_lower_product pa_s_bl_bd_length_right_length_lower_product. ((((exists pa_h_bl_bd_length_right_length_lower_product_factor. pa_h_bl_bd_length_right_length_lower_product_factor + S (pa_p_bl_bd_length_right_length_lower_product) = S ((S (pa_i_bl_bd_length_right_length_lower_product)) * pa_c_bl_bd_length_right_length_lower)) /\ exists pa_q_bl_bd_length_right_length_lower_product_factor. pa_b_bl_bd_length_right_length_lower = pa_q_bl_bd_length_right_length_lower_product_factor * S ((S (pa_i_bl_bd_length_right_length_lower_product)) * pa_c_bl_bd_length_right_length_lower) + (pa_p_bl_bd_length_right_length_lower_product))) /\ ((((exists pa_h_bl_bd_length_right_length_lower_product_partial. pa_h_bl_bd_length_right_length_lower_product_partial + S (pa_r_bl_bd_length_right_length_lower_product) = S ((S (pa_i_bl_bd_length_right_length_lower_product)) * pa_v_bl_bd_length_right_length_lower_product)) /\ exists pa_q_bl_bd_length_right_length_lower_product_partial. pa_u_bl_bd_length_right_length_lower_product = pa_q_bl_bd_length_right_length_lower_product_partial * S ((S (pa_i_bl_bd_length_right_length_lower_product)) * pa_v_bl_bd_length_right_length_lower_product) + (pa_r_bl_bd_length_right_length_lower_product))) /\ ((((exists pa_h_bl_bd_length_right_length_lower_product_successor. pa_h_bl_bd_length_right_length_lower_product_successor + S (pa_s_bl_bd_length_right_length_lower_product) = S ((S (S pa_i_bl_bd_length_right_length_lower_product)) * pa_v_bl_bd_length_right_length_lower_product)) /\ exists pa_q_bl_bd_length_right_length_lower_product_successor. pa_u_bl_bd_length_right_length_lower_product = pa_q_bl_bd_length_right_length_lower_product_successor * S ((S (S pa_i_bl_bd_length_right_length_lower_product)) * pa_v_bl_bd_length_right_length_lower_product) + (pa_s_bl_bd_length_right_length_lower_product))) /\ pa_s_bl_bd_length_right_length_lower_product = pa_r_bl_bd_length_right_length_lower_product * pa_p_bl_bd_length_right_length_lower_product)))))))) /\ ((exists pa_b_bl_bd_length_right_length_upper pa_c_bl_bd_length_right_length_upper. ((forall pa_i_bl_bd_length_right_length_upper_repeat. (exists pa_lt_bl_bd_length_right_length_upper_repeat_bound. pa_lt_bl_bd_length_right_length_upper_repeat_bound + S pa_i_bl_bd_length_right_length_upper_repeat = L) -> (((exists pa_h_bl_bd_length_right_length_upper_repeat_decoded. pa_h_bl_bd_length_right_length_upper_repeat_decoded + S (2) = S ((S (pa_i_bl_bd_length_right_length_upper_repeat)) * pa_c_bl_bd_length_right_length_upper)) /\ exists pa_q_bl_bd_length_right_length_upper_repeat_decoded. pa_b_bl_bd_length_right_length_upper = pa_q_bl_bd_length_right_length_upper_repeat_decoded * S ((S (pa_i_bl_bd_length_right_length_upper_repeat)) * pa_c_bl_bd_length_right_length_upper) + (2)))) /\ (exists pa_u_bl_bd_length_right_length_upper_product pa_v_bl_bd_length_right_length_upper_product. ((((exists pa_h_bl_bd_length_right_length_upper_product_start. pa_h_bl_bd_length_right_length_upper_product_start + S (1) = S ((S (0)) * pa_v_bl_bd_length_right_length_upper_product)) /\ exists pa_q_bl_bd_length_right_length_upper_product_start. pa_u_bl_bd_length_right_length_upper_product = pa_q_bl_bd_length_right_length_upper_product_start * S ((S (0)) * pa_v_bl_bd_length_right_length_upper_product) + (1))) /\ ((((exists pa_h_bl_bd_length_right_length_upper_product_terminal. pa_h_bl_bd_length_right_length_upper_product_terminal + S (ff_upper_bl_bd_length_right_length) = S ((S (L)) * pa_v_bl_bd_length_right_length_upper_product)) /\ exists pa_q_bl_bd_length_right_length_upper_product_terminal. pa_u_bl_bd_length_right_length_upper_product = pa_q_bl_bd_length_right_length_upper_product_terminal * S ((S (L)) * pa_v_bl_bd_length_right_length_upper_product) + (ff_upper_bl_bd_length_right_length))) /\ forall pa_i_bl_bd_length_right_length_upper_product. (exists pa_lt_bl_bd_length_right_length_upper_product_bound. pa_lt_bl_bd_length_right_length_upper_product_bound + S pa_i_bl_bd_length_right_length_upper_product = L) -> exists pa_p_bl_bd_length_right_length_upper_product pa_r_bl_bd_length_right_length_upper_product pa_s_bl_bd_length_right_length_upper_product. ((((exists pa_h_bl_bd_length_right_length_upper_product_factor. pa_h_bl_bd_length_right_length_upper_product_factor + S (pa_p_bl_bd_length_right_length_upper_product) = S ((S (pa_i_bl_bd_length_right_length_upper_product)) * pa_c_bl_bd_length_right_length_upper)) /\ exists pa_q_bl_bd_length_right_length_upper_product_factor. pa_b_bl_bd_length_right_length_upper = pa_q_bl_bd_length_right_length_upper_product_factor * S ((S (pa_i_bl_bd_length_right_length_upper_product)) * pa_c_bl_bd_length_right_length_upper) + (pa_p_bl_bd_length_right_length_upper_product))) /\ ((((exists pa_h_bl_bd_length_right_length_upper_product_partial. pa_h_bl_bd_length_right_length_upper_product_partial + S (pa_r_bl_bd_length_right_length_upper_product) = S ((S (pa_i_bl_bd_length_right_length_upper_product)) * pa_v_bl_bd_length_right_length_upper_product)) /\ exists pa_q_bl_bd_length_right_length_upper_product_partial. pa_u_bl_bd_length_right_length_upper_product = pa_q_bl_bd_length_right_length_upper_product_partial * S ((S (pa_i_bl_bd_length_right_length_upper_product)) * pa_v_bl_bd_length_right_length_upper_product) + (pa_r_bl_bd_length_right_length_upper_product))) /\ ((((exists pa_h_bl_bd_length_right_length_upper_product_successor. pa_h_bl_bd_length_right_length_upper_product_successor + S (pa_s_bl_bd_length_right_length_upper_product) = S ((S (S pa_i_bl_bd_length_right_length_upper_product)) * pa_v_bl_bd_length_right_length_upper_product)) /\ exists pa_q_bl_bd_length_right_length_upper_product_successor. pa_u_bl_bd_length_right_length_upper_product = pa_q_bl_bd_length_right_length_upper_product_successor * S ((S (S pa_i_bl_bd_length_right_length_upper_product)) * pa_v_bl_bd_length_right_length_upper_product) + (pa_s_bl_bd_length_right_length_upper_product))) /\ pa_s_bl_bd_length_right_length_upper_product = pa_r_bl_bd_length_right_length_upper_product * pa_p_bl_bd_length_right_length_upper_product)))))))) /\ ((exists ff_lower_gap_bl_bd_length_right_length. ff_lower_gap_bl_bd_length_right_length + (ff_lower_bl_bd_length_right_length) = (n)) /\ (exists ff_upper_gap_bl_bd_length_right_length. ff_upper_gap_bl_bd_length_right_length + S (n) = (ff_upper_bl_bd_length_right_length))))))))) /\ (((forall ff_index_be_bd_length_right_code_digits ff_digit_be_bd_length_right_code_digits. (exists ff_lt_be_bd_length_right_code_digits_bound. ff_lt_be_bd_length_right_code_digits_bound + S ff_index_be_bd_length_right_code_digits = L) -> (((exists ff_h_be_bd_length_right_code_digits_digit. ff_h_be_bd_length_right_code_digits_digit + S (ff_digit_be_bd_length_right_code_digits) = S ((S (ff_index_be_bd_length_right_code_digits)) * C)) /\ exists ff_q_be_bd_length_right_code_digits_digit. B = ff_q_be_bd_length_right_code_digits_digit * S ((S (ff_index_be_bd_length_right_code_digits)) * C) + (ff_digit_be_bd_length_right_code_digits))) -> (ff_digit_be_bd_length_right_code_digits = 0 \/ ff_digit_be_bd_length_right_code_digits = 1)) /\ (exists ff_u_ph_bd_length_right_code_horner ff_v_ph_bd_length_right_code_horner. ((((exists fs_h_ph_bd_length_right_code_horner_body_start. fs_h_ph_bd_length_right_code_horner_body_start + S (0) = S ((S (0)) * ff_v_ph_bd_length_right_code_horner)) /\ exists fs_q_ph_bd_length_right_code_horner_body_start. ff_u_ph_bd_length_right_code_horner = fs_q_ph_bd_length_right_code_horner_body_start * S ((S (0)) * ff_v_ph_bd_length_right_code_horner) + (0))) /\ ((((exists fs_h_ph_bd_length_right_code_horner_body_terminal. fs_h_ph_bd_length_right_code_horner_body_terminal + S (n) = S ((S (L)) * ff_v_ph_bd_length_right_code_horner)) /\ exists fs_q_ph_bd_length_right_code_horner_body_terminal. ff_u_ph_bd_length_right_code_horner = fs_q_ph_bd_length_right_code_horner_body_terminal * S ((S (L)) * ff_v_ph_bd_length_right_code_horner) + (n))) /\ forall ff_i_ph_bd_length_right_code_horner_body_steps. (exists ph_bound_bd_length_right_code_horner_body_steps. ph_bound_bd_length_right_code_horner_body_steps + S ff_i_ph_bd_length_right_code_horner_body_steps = L) -> exists ff_coefficient_ph_bd_length_right_code_horner_body_steps ff_previous_ph_bd_length_right_code_horner_body_steps ff_current_ph_bd_length_right_code_horner_body_steps. ((((exists fs_h_ph_bd_length_right_code_horner_body_steps_coefficient. fs_h_ph_bd_length_right_code_horner_body_steps_coefficient + S (ff_coefficient_ph_bd_length_right_code_horner_body_steps) = S ((S (ff_i_ph_bd_length_right_code_horner_body_steps)) * C)) /\ exists fs_q_ph_bd_length_right_code_horner_body_steps_coefficient. B = fs_q_ph_bd_length_right_code_horner_body_steps_coefficient * S ((S (ff_i_ph_bd_length_right_code_horner_body_steps)) * C) + (ff_coefficient_ph_bd_length_right_code_horner_body_steps))) /\ ((((exists fs_h_ph_bd_length_right_code_horner_body_steps_before. fs_h_ph_bd_length_right_code_horner_body_steps_before + S (ff_previous_ph_bd_length_right_code_horner_body_steps) = S ((S (ff_i_ph_bd_length_right_code_horner_body_steps)) * ff_v_ph_bd_length_right_code_horner)) /\ exists fs_q_ph_bd_length_right_code_horner_body_steps_before. ff_u_ph_bd_length_right_code_horner = fs_q_ph_bd_length_right_code_horner_body_steps_before * S ((S (ff_i_ph_bd_length_right_code_horner_body_steps)) * ff_v_ph_bd_length_right_code_horner) + (ff_previous_ph_bd_length_right_code_horner_body_steps))) /\ ((((exists fs_h_ph_bd_length_right_code_horner_body_steps_after. fs_h_ph_bd_length_right_code_horner_body_steps_after + S (ff_current_ph_bd_length_right_code_horner_body_steps) = S ((S (S ff_i_ph_bd_length_right_code_horner_body_steps)) * ff_v_ph_bd_length_right_code_horner)) /\ exists fs_q_ph_bd_length_right_code_horner_body_steps_after. ff_u_ph_bd_length_right_code_horner = fs_q_ph_bd_length_right_code_horner_body_steps_after * S ((S (S ff_i_ph_bd_length_right_code_horner_body_steps)) * ff_v_ph_bd_length_right_code_horner) + (ff_current_ph_bd_length_right_code_horner_body_steps))) /\ ff_current_ph_bd_length_right_code_horner_body_steps = ff_previous_ph_bd_length_right_code_horner_body_steps * 2 + ff_coefficient_ph_bd_length_right_code_horner_body_steps)))))))))) -> l = LConstructive proof overview
Generated structural guide
All canonical beta-coded binary representations of one exponent have the identical genuine BitLen length.
The unchanged tactic script uses 1 declared prerequisite and contains 17 exact native proof lines.
Alpha v34 checked-use · first admitted v23 · independently kernel and Lean verified; not Stable
Proof neighborhood
Direct dependencies
binary_length_functional Alpha theorem; checked-use authorizedDirect 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 assumptionsL1–9
02Separate the logical casesL10–11
03Use earlier factsL12–17
Original exact command ledger · 17 lines
- 0001
intro n - 0002
intro l - 0003
intro b - 0004
intro c - 0005
intro L - 0006
intro B - 0007
intro C - 0008
intro hleft - 0009
intro hright - 0010
cases hleft - 0011
cases hright - 0012
specialize binary_length_functional n - 0013
specialize binary_length_functional l - 0014
specialize binary_length_functional L - 0015
apply binary_length_functional - 0016
exact hleft_left - 0017
exact hright_left
Separate complete second-wave branches: Full T13 proof · Alpha v27.