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 r s b c l M x y. (((((forall gcrt_common_index_gfull_normalized_class_source_lcm_own gcrt_common_modulus_gfull_normalized_class_source_lcm_own. (exists ff_lt_gcrt_gfull_normalized_class_source_lcm_own_bound. ff_lt_gcrt_gfull_normalized_class_source_lcm_own_bound + S gcrt_common_index_gfull_normalized_class_source_lcm_own = l) -> (((exists ff_h_gcrt_gfull_normalized_class_source_lcm_own_entry. ff_h_gcrt_gfull_normalized_class_source_lcm_own_entry + S (gcrt_common_modulus_gfull_normalized_class_source_lcm_own) = S ((S (gcrt_common_index_gfull_normalized_class_source_lcm_own)) * c)) /\ exists ff_q_gcrt_gfull_normalized_class_source_lcm_own_entry. b = ff_q_gcrt_gfull_normalized_class_source_lcm_own_entry * S ((S (gcrt_common_index_gfull_normalized_class_source_lcm_own)) * c) + (gcrt_common_modulus_gfull_normalized_class_source_lcm_own))) -> exists gcrt_common_quotient_gfull_normalized_class_source_lcm_own. M = gcrt_common_modulus_gfull_normalized_class_source_lcm_own * gcrt_common_quotient_gfull_normalized_class_source_lcm_own) /\ forall gcrt_lcm_common_gfull_normalized_class_source_lcm. (forall gcrt_common_index_gfull_normalized_class_source_lcm_other gcrt_common_modulus_gfull_normalized_class_source_lcm_other. (exists ff_lt_gcrt_gfull_normalized_class_source_lcm_other_bound. ff_lt_gcrt_gfull_normalized_class_source_lcm_other_bound + S gcrt_common_index_gfull_normalized_class_source_lcm_other = l) -> (((exists ff_h_gcrt_gfull_normalized_class_source_lcm_other_entry. ff_h_gcrt_gfull_normalized_class_source_lcm_other_entry + S (gcrt_common_modulus_gfull_normalized_class_source_lcm_other) = S ((S (gcrt_common_index_gfull_normalized_class_source_lcm_other)) * c)) /\ exists ff_q_gcrt_gfull_normalized_class_source_lcm_other_entry. b = ff_q_gcrt_gfull_normalized_class_source_lcm_other_entry * S ((S (gcrt_common_index_gfull_normalized_class_source_lcm_other)) * c) + (gcrt_common_modulus_gfull_normalized_class_source_lcm_other))) -> exists gcrt_common_quotient_gfull_normalized_class_source_lcm_other. gcrt_lcm_common_gfull_normalized_class_source_lcm = gcrt_common_modulus_gfull_normalized_class_source_lcm_other * gcrt_common_quotient_gfull_normalized_class_source_lcm_other) -> exists gcrt_lcm_quotient_gfull_normalized_class_source_lcm. gcrt_lcm_common_gfull_normalized_class_source_lcm = M * gcrt_lcm_quotient_gfull_normalized_class_source_lcm)) /\ ((M = 0 \/ (exists ff_lt_gcrt_gfull_normalized_class_source_bound. ff_lt_gcrt_gfull_normalized_class_source_bound + S x = M)) /\ (forall gcrt_solution_index_gfull_normalized_class_source_solution gcrt_solution_residue_gfull_normalized_class_source_solution gcrt_solution_modulus_gfull_normalized_class_source_solution. (exists ff_lt_gcrt_gfull_normalized_class_source_solution_bound. ff_lt_gcrt_gfull_normalized_class_source_solution_bound + S gcrt_solution_index_gfull_normalized_class_source_solution = l) -> (((exists ff_h_gcrt_gfull_normalized_class_source_solution_residue. ff_h_gcrt_gfull_normalized_class_source_solution_residue + S (gcrt_solution_residue_gfull_normalized_class_source_solution) = S ((S (gcrt_solution_index_gfull_normalized_class_source_solution)) * s)) /\ exists ff_q_gcrt_gfull_normalized_class_source_solution_residue. r = ff_q_gcrt_gfull_normalized_class_source_solution_residue * S ((S (gcrt_solution_index_gfull_normalized_class_source_solution)) * s) + (gcrt_solution_residue_gfull_normalized_class_source_solution))) -> (((exists ff_h_gcrt_gfull_normalized_class_source_solution_modulus. ff_h_gcrt_gfull_normalized_class_source_solution_modulus + S (gcrt_solution_modulus_gfull_normalized_class_source_solution) = S ((S (gcrt_solution_index_gfull_normalized_class_source_solution)) * c)) /\ exists ff_q_gcrt_gfull_normalized_class_source_solution_modulus. b = ff_q_gcrt_gfull_normalized_class_source_solution_modulus * S ((S (gcrt_solution_index_gfull_normalized_class_source_solution)) * c) + (gcrt_solution_modulus_gfull_normalized_class_source_solution))) -> (exists hgcrt_mod_left_gcrt_gfull_normalized_class_source_solution_congruence hgcrt_mod_right_gcrt_gfull_normalized_class_source_solution_congruence. x + gcrt_solution_modulus_gfull_normalized_class_source_solution * hgcrt_mod_left_gcrt_gfull_normalized_class_source_solution_congruence = gcrt_solution_residue_gfull_normalized_class_source_solution + gcrt_solution_modulus_gfull_normalized_class_source_solution * hgcrt_mod_right_gcrt_gfull_normalized_class_source_solution_congruence))))) -> (((forall gcrt_solution_index_gfull_normalized_class_solution_forward gcrt_solution_residue_gfull_normalized_class_solution_forward gcrt_solution_modulus_gfull_normalized_class_solution_forward. (exists ff_lt_gcrt_gfull_normalized_class_solution_forward_bound. ff_lt_gcrt_gfull_normalized_class_solution_forward_bound + S gcrt_solution_index_gfull_normalized_class_solution_forward = l) -> (((exists ff_h_gcrt_gfull_normalized_class_solution_forward_residue. ff_h_gcrt_gfull_normalized_class_solution_forward_residue + S (gcrt_solution_residue_gfull_normalized_class_solution_forward) = S ((S (gcrt_solution_index_gfull_normalized_class_solution_forward)) * s)) /\ exists ff_q_gcrt_gfull_normalized_class_solution_forward_residue. r = ff_q_gcrt_gfull_normalized_class_solution_forward_residue * S ((S (gcrt_solution_index_gfull_normalized_class_solution_forward)) * s) + (gcrt_solution_residue_gfull_normalized_class_solution_forward))) -> (((exists ff_h_gcrt_gfull_normalized_class_solution_forward_modulus. ff_h_gcrt_gfull_normalized_class_solution_forward_modulus + S (gcrt_solution_modulus_gfull_normalized_class_solution_forward) = S ((S (gcrt_solution_index_gfull_normalized_class_solution_forward)) * c)) /\ exists ff_q_gcrt_gfull_normalized_class_solution_forward_modulus. b = ff_q_gcrt_gfull_normalized_class_solution_forward_modulus * S ((S (gcrt_solution_index_gfull_normalized_class_solution_forward)) * c) + (gcrt_solution_modulus_gfull_normalized_class_solution_forward))) -> (exists hgcrt_mod_left_gcrt_gfull_normalized_class_solution_forward_congruence hgcrt_mod_right_gcrt_gfull_normalized_class_solution_forward_congruence. y + gcrt_solution_modulus_gfull_normalized_class_solution_forward * hgcrt_mod_left_gcrt_gfull_normalized_class_solution_forward_congruence = gcrt_solution_residue_gfull_normalized_class_solution_forward + gcrt_solution_modulus_gfull_normalized_class_solution_forward * hgcrt_mod_right_gcrt_gfull_normalized_class_solution_forward_congruence)) -> (exists hgcrt_mod_left_gfull_normalized_class_mod_forward hgcrt_mod_right_gfull_normalized_class_mod_forward. y + M * hgcrt_mod_left_gfull_normalized_class_mod_forward = x + M * hgcrt_mod_right_gfull_normalized_class_mod_forward)) /\ ((exists hgcrt_mod_left_gfull_normalized_class_mod_backward hgcrt_mod_right_gfull_normalized_class_mod_backward. y + M * hgcrt_mod_left_gfull_normalized_class_mod_backward = x + M * hgcrt_mod_right_gfull_normalized_class_mod_backward) -> (forall gcrt_solution_index_gfull_normalized_class_solution_backward gcrt_solution_residue_gfull_normalized_class_solution_backward gcrt_solution_modulus_gfull_normalized_class_solution_backward. (exists ff_lt_gcrt_gfull_normalized_class_solution_backward_bound. ff_lt_gcrt_gfull_normalized_class_solution_backward_bound + S gcrt_solution_index_gfull_normalized_class_solution_backward = l) -> (((exists ff_h_gcrt_gfull_normalized_class_solution_backward_residue. ff_h_gcrt_gfull_normalized_class_solution_backward_residue + S (gcrt_solution_residue_gfull_normalized_class_solution_backward) = S ((S (gcrt_solution_index_gfull_normalized_class_solution_backward)) * s)) /\ exists ff_q_gcrt_gfull_normalized_class_solution_backward_residue. r = ff_q_gcrt_gfull_normalized_class_solution_backward_residue * S ((S (gcrt_solution_index_gfull_normalized_class_solution_backward)) * s) + (gcrt_solution_residue_gfull_normalized_class_solution_backward))) -> (((exists ff_h_gcrt_gfull_normalized_class_solution_backward_modulus. ff_h_gcrt_gfull_normalized_class_solution_backward_modulus + S (gcrt_solution_modulus_gfull_normalized_class_solution_backward) = S ((S (gcrt_solution_index_gfull_normalized_class_solution_backward)) * c)) /\ exists ff_q_gcrt_gfull_normalized_class_solution_backward_modulus. b = ff_q_gcrt_gfull_normalized_class_solution_backward_modulus * S ((S (gcrt_solution_index_gfull_normalized_class_solution_backward)) * c) + (gcrt_solution_modulus_gfull_normalized_class_solution_backward))) -> (exists hgcrt_mod_left_gcrt_gfull_normalized_class_solution_backward_congruence hgcrt_mod_right_gcrt_gfull_normalized_class_solution_backward_congruence. y + gcrt_solution_modulus_gfull_normalized_class_solution_backward * hgcrt_mod_left_gcrt_gfull_normalized_class_solution_backward_congruence = gcrt_solution_residue_gfull_normalized_class_solution_backward + gcrt_solution_modulus_gfull_normalized_class_solution_backward * hgcrt_mod_right_gcrt_gfull_normalized_class_solution_backward_congruence))))Constructive proof overview
Generated structural guide
All simultaneous solutions form exactly the congruence class of the normalized solution modulo the exact list LCM, also when that LCM is zero.
The unchanged tactic script uses 1 declared prerequisite and contains 22 exact native proof lines.
Alpha v34 checked-use · first admitted v27 · independently kernel and Lean verified; not Stable
Proof neighborhood
Direct dependencies
crt_prefix_solution_class_iff_lcm 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 factsL12–21
Instantiate or apply named facts and discharge the corresponding proof obligations.
- L12
specialize crt_prefix_solution_class_iff_lcm r - L13
specialize crt_prefix_solution_class_iff_lcm s - L14
specialize crt_prefix_solution_class_iff_lcm b - L15
specialize crt_prefix_solution_class_iff_lcm c - L16
specialize crt_prefix_solution_class_iff_lcm l - L17
specialize crt_prefix_solution_class_iff_lcm M - L18
specialize crt_prefix_solution_class_iff_lcm x - L19
specialize crt_prefix_solution_class_iff_lcm y - L20
apply crt_prefix_solution_class_iff_lcm - L21
exact hx_left
04Use earlier factsL22–22
Instantiate or apply named facts and discharge the corresponding proof obligations.
- L22
exact hx_right_right
Original exact command ledger · 22 lines
- 0001
intro r - 0002
intro s - 0003
intro b - 0004
intro c - 0005
intro l - 0006
intro M - 0007
intro x - 0008
intro y - 0009
intro hx - 0010
cases hx - 0011
cases hx_right - 0012
specialize crt_prefix_solution_class_iff_lcm r - 0013
specialize crt_prefix_solution_class_iff_lcm s - 0014
specialize crt_prefix_solution_class_iff_lcm b - 0015
specialize crt_prefix_solution_class_iff_lcm c - 0016
specialize crt_prefix_solution_class_iff_lcm l - 0017
specialize crt_prefix_solution_class_iff_lcm M - 0018
specialize crt_prefix_solution_class_iff_lcm x - 0019
specialize crt_prefix_solution_class_iff_lcm y - 0020
apply crt_prefix_solution_class_iff_lcm - 0021
exact hx_left - 0022
exact hx_right_right