Exact expanded PA statement
forall a e r n. (exists ff_b_bpb_predecessor ff_c_bpb_predecessor. ((forall ff_i_bpb_predecessor_repeat. (exists ff_lt_bpb_predecessor_repeat_bound. ff_lt_bpb_predecessor_repeat_bound + S ff_i_bpb_predecessor_repeat = e) -> (((exists ff_h_bpb_predecessor_repeat_decoded. ff_h_bpb_predecessor_repeat_decoded + S (a) = S ((S (ff_i_bpb_predecessor_repeat)) * ff_c_bpb_predecessor)) /\ exists ff_q_bpb_predecessor_repeat_decoded. ff_b_bpb_predecessor = ff_q_bpb_predecessor_repeat_decoded * S ((S (ff_i_bpb_predecessor_repeat)) * ff_c_bpb_predecessor) + (a)))) /\ (exists ff_u_bpb_predecessor_product ff_v_bpb_predecessor_product. ((((exists ff_h_bpb_predecessor_product_start. ff_h_bpb_predecessor_product_start + S (1) = S ((S (0)) * ff_v_bpb_predecessor_product)) /\ exists ff_q_bpb_predecessor_product_start. ff_u_bpb_predecessor_product = ff_q_bpb_predecessor_product_start * S ((S (0)) * ff_v_bpb_predecessor_product) + (1))) /\ ((((exists ff_h_bpb_predecessor_product_terminal. ff_h_bpb_predecessor_product_terminal + S (r) = S ((S (e)) * ff_v_bpb_predecessor_product)) /\ exists ff_q_bpb_predecessor_product_terminal. ff_u_bpb_predecessor_product = ff_q_bpb_predecessor_product_terminal * S ((S (e)) * ff_v_bpb_predecessor_product) + (r))) /\ forall ff_i_bpb_predecessor_product. (exists ff_lt_bpb_predecessor_product_bound. ff_lt_bpb_predecessor_product_bound + S ff_i_bpb_predecessor_product = e) -> exists ff_p_bpb_predecessor_product ff_r_bpb_predecessor_product ff_s_bpb_predecessor_product. ((((exists ff_h_bpb_predecessor_product_factor. ff_h_bpb_predecessor_product_factor + S (ff_p_bpb_predecessor_product) = S ((S (ff_i_bpb_predecessor_product)) * ff_c_bpb_predecessor)) /\ exists ff_q_bpb_predecessor_product_factor. ff_b_bpb_predecessor = ff_q_bpb_predecessor_product_factor * S ((S (ff_i_bpb_predecessor_product)) * ff_c_bpb_predecessor) + (ff_p_bpb_predecessor_product))) /\ ((((exists ff_h_bpb_predecessor_product_partial. ff_h_bpb_predecessor_product_partial + S (ff_r_bpb_predecessor_product) = S ((S (ff_i_bpb_predecessor_product)) * ff_v_bpb_predecessor_product)) /\ exists ff_q_bpb_predecessor_product_partial. ff_u_bpb_predecessor_product = ff_q_bpb_predecessor_product_partial * S ((S (ff_i_bpb_predecessor_product)) * ff_v_bpb_predecessor_product) + (ff_r_bpb_predecessor_product))) /\ ((((exists ff_h_bpb_predecessor_product_successor. ff_h_bpb_predecessor_product_successor + S (ff_s_bpb_predecessor_product) = S ((S (S ff_i_bpb_predecessor_product)) * ff_v_bpb_predecessor_product)) /\ exists ff_q_bpb_predecessor_product_successor. ff_u_bpb_predecessor_product = ff_q_bpb_predecessor_product_successor * S ((S (S ff_i_bpb_predecessor_product)) * ff_v_bpb_predecessor_product) + (ff_s_bpb_predecessor_product))) /\ ff_s_bpb_predecessor_product = ff_r_bpb_predecessor_product * ff_p_bpb_predecessor_product)))))))) -> n = r * a -> (exists pa_b_bpb_successor pa_c_bpb_successor. ((forall pa_i_bpb_successor_repeat. (exists pa_lt_bpb_successor_repeat_bound. pa_lt_bpb_successor_repeat_bound + S pa_i_bpb_successor_repeat = S e) -> (((exists pa_h_bpb_successor_repeat_decoded. pa_h_bpb_successor_repeat_decoded + S (a) = S ((S (pa_i_bpb_successor_repeat)) * pa_c_bpb_successor)) /\ exists pa_q_bpb_successor_repeat_decoded. pa_b_bpb_successor = pa_q_bpb_successor_repeat_decoded * S ((S (pa_i_bpb_successor_repeat)) * pa_c_bpb_successor) + (a)))) /\ (exists pa_u_bpb_successor_product pa_v_bpb_successor_product. ((((exists pa_h_bpb_successor_product_start. pa_h_bpb_successor_product_start + S (1) = S ((S (0)) * pa_v_bpb_successor_product)) /\ exists pa_q_bpb_successor_product_start. pa_u_bpb_successor_product = pa_q_bpb_successor_product_start * S ((S (0)) * pa_v_bpb_successor_product) + (1))) /\ ((((exists pa_h_bpb_successor_product_terminal. pa_h_bpb_successor_product_terminal + S (n) = S ((S (S e)) * pa_v_bpb_successor_product)) /\ exists pa_q_bpb_successor_product_terminal. pa_u_bpb_successor_product = pa_q_bpb_successor_product_terminal * S ((S (S e)) * pa_v_bpb_successor_product) + (n))) /\ forall pa_i_bpb_successor_product. (exists pa_lt_bpb_successor_product_bound. pa_lt_bpb_successor_product_bound + S pa_i_bpb_successor_product = S e) -> exists pa_p_bpb_successor_product pa_r_bpb_successor_product pa_s_bpb_successor_product. ((((exists pa_h_bpb_successor_product_factor. pa_h_bpb_successor_product_factor + S (pa_p_bpb_successor_product) = S ((S (pa_i_bpb_successor_product)) * pa_c_bpb_successor)) /\ exists pa_q_bpb_successor_product_factor. pa_b_bpb_successor = pa_q_bpb_successor_product_factor * S ((S (pa_i_bpb_successor_product)) * pa_c_bpb_successor) + (pa_p_bpb_successor_product))) /\ ((((exists pa_h_bpb_successor_product_partial. pa_h_bpb_successor_product_partial + S (pa_r_bpb_successor_product) = S ((S (pa_i_bpb_successor_product)) * pa_v_bpb_successor_product)) /\ exists pa_q_bpb_successor_product_partial. pa_u_bpb_successor_product = pa_q_bpb_successor_product_partial * S ((S (pa_i_bpb_successor_product)) * pa_v_bpb_successor_product) + (pa_r_bpb_successor_product))) /\ ((((exists pa_h_bpb_successor_product_successor. pa_h_bpb_successor_product_successor + S (pa_s_bpb_successor_product) = S ((S (S pa_i_bpb_successor_product)) * pa_v_bpb_successor_product)) /\ exists pa_q_bpb_successor_product_successor. pa_u_bpb_successor_product = pa_q_bpb_successor_product_successor * S ((S (S pa_i_bpb_successor_product)) * pa_v_bpb_successor_product) + (pa_s_bpb_successor_product))) /\ pa_s_bpb_successor_product = pa_r_bpb_successor_product * pa_p_bpb_successor_product))))))))Structural proof guide
A checked predecessor power composes with one multiplication step.
Direct prerequisites: pow_exists, pow_successor_pair_mul. The authored body proceeds by case analysis (1), intermediate claims (3), equality transport (2).
Proof neighborhood
Direct dependencies
Direct dependents
Formal native tactic body
Dependencies are hypotheses of this body receipt. The focused endpoint audits separately check the complete empty-context certificates.
- 0001
intro a - 0002
intro e - 0003
intro r - 0004
intro n - 0005
intro hprevious - 0006
intro hn - 0007
have hsuccessor : exists x. (exists pa_b_bpb_successor_witness pa_c_bpb_successor_witness. ((forall pa_i_bpb_successor_witness_repeat. (exists pa_lt_bpb_successor_witness_repeat_bound. pa_lt_bpb_successor_witness_repeat_bound + S pa_i_bpb_successor_witness_repeat = S e) -> (((exists pa_h_bpb_successor_witness_repeat_decoded. pa_h_bpb_successor_witness_repeat_decoded + S (a) = S ((S (pa_i_bpb_successor_witness_repeat)) * pa_c_bpb_successor_witness)) /\ exists pa_q_bpb_successor_witness_repeat_decoded. pa_b_bpb_successor_witness = pa_q_bpb_successor_witness_repeat_decoded * S ((S (pa_i_bpb_successor_witness_repeat)) * pa_c_bpb_successor_witness) + (a)))) /\ (exists pa_u_bpb_successor_witness_product pa_v_bpb_successor_witness_product. ((((exists pa_h_bpb_successor_witness_product_start. pa_h_bpb_successor_witness_product_start + S (1) = S ((S (0)) * pa_v_bpb_successor_witness_product)) /\ exists pa_q_bpb_successor_witness_product_start. pa_u_bpb_successor_witness_product = pa_q_bpb_successor_witness_product_start * S ((S (0)) * pa_v_bpb_successor_witness_product) + (1))) /\ ((((exists pa_h_bpb_successor_witness_product_terminal. pa_h_bpb_successor_witness_product_terminal + S (x) = S ((S (S e)) * pa_v_bpb_successor_witness_product)) /\ exists pa_q_bpb_successor_witness_product_terminal. pa_u_bpb_successor_witness_product = pa_q_bpb_successor_witness_product_terminal * S ((S (S e)) * pa_v_bpb_successor_witness_product) + (x))) /\ forall pa_i_bpb_successor_witness_product. (exists pa_lt_bpb_successor_witness_product_bound. pa_lt_bpb_successor_witness_product_bound + S pa_i_bpb_successor_witness_product = S e) -> exists pa_p_bpb_successor_witness_product pa_r_bpb_successor_witness_product pa_s_bpb_successor_witness_product. ((((exists pa_h_bpb_successor_witness_product_factor. pa_h_bpb_successor_witness_product_factor + S (pa_p_bpb_successor_witness_product) = S ((S (pa_i_bpb_successor_witness_product)) * pa_c_bpb_successor_witness)) /\ exists pa_q_bpb_successor_witness_product_factor. pa_b_bpb_successor_witness = pa_q_bpb_successor_witness_product_factor * S ((S (pa_i_bpb_successor_witness_product)) * pa_c_bpb_successor_witness) + (pa_p_bpb_successor_witness_product))) /\ ((((exists pa_h_bpb_successor_witness_product_partial. pa_h_bpb_successor_witness_product_partial + S (pa_r_bpb_successor_witness_product) = S ((S (pa_i_bpb_successor_witness_product)) * pa_v_bpb_successor_witness_product)) /\ exists pa_q_bpb_successor_witness_product_partial. pa_u_bpb_successor_witness_product = pa_q_bpb_successor_witness_product_partial * S ((S (pa_i_bpb_successor_witness_product)) * pa_v_bpb_successor_witness_product) + (pa_r_bpb_successor_witness_product))) /\ ((((exists pa_h_bpb_successor_witness_product_successor. pa_h_bpb_successor_witness_product_successor + S (pa_s_bpb_successor_witness_product) = S ((S (S pa_i_bpb_successor_witness_product)) * pa_v_bpb_successor_witness_product)) /\ exists pa_q_bpb_successor_witness_product_successor. pa_u_bpb_successor_witness_product = pa_q_bpb_successor_witness_product_successor * S ((S (S pa_i_bpb_successor_witness_product)) * pa_v_bpb_successor_witness_product) + (pa_s_bpb_successor_witness_product))) /\ pa_s_bpb_successor_witness_product = pa_r_bpb_successor_witness_product * pa_p_bpb_successor_witness_product)))))))) - 0008
specialize pow_exists a - 0009
specialize pow_exists (S e) - 0010
exact pow_exists - 0011
cases hsuccessor - 0012
have hx : x = r * a - 0013
specialize pow_successor_pair_mul a - 0014
specialize pow_successor_pair_mul e - 0015
specialize pow_successor_pair_mul (S e) - 0016
specialize pow_successor_pair_mul r - 0017
specialize pow_successor_pair_mul x - 0018
apply pow_successor_pair_mul - 0019
refl - 0020
exact hprevious - 0021
exact hsuccessor_witness - 0022
have hxn : x = n - 0023
trans r * a - 0024
exact hx - 0025
symm - 0026
exact hn - 0027
rewrite <- hxn - 0028
rewrite <- hxn - 0029
exact hsuccessor_witness