IndisputableMonolith.Physics.LeptonGenerations.Necessity
The lepton ladder rungs {2, 13, 19} are the unique stable solutions of the three-generation torsion constraint in three spatial dimensions. Generation 1 sits at base rung 2 (from the electron link); generation 2 adds the passive energy step 11 to reach 13; generation 3 adds the six cube faces to reach 19. Residues modulo 8 are {2, 5, 3}, the three distinct cubic-voxel directions. Downstream hierarchy and T10 mass work cite this uniqueness package.
claimIn $D=3$, the only stable three-generation lepton ladder is the integer rung set $\{2,13,19\}$, built as base $2$ (electron link), then $2+E_p=2+11=13$, then $13+F=13+6=19$. These rungs lie in distinct residue classes $\{2,5,3\}\pmod{8}$, the three inequivalent directions of the cubic voxel under the torsion-minimality constraint.
background
Recognition Science places fermion masses on a $\varphi$-ladder whose integer rungs are fixed by cube geometry and the eight-tick octave (period $2^3$). The electron sector (T9) already forces the base rung $2$. This module extends that link to the full three-generation lepton ladder.
The generation steps are combinatorial, not free parameters: the passive energy offset $E_p=11$ and the six faces of the cube supply the increments $2\to 13\to 19$. Alpha-seed geometry ($4\pi\cdot 11$ from the cubic ledger) and $\varphi$-support identities sit upstream as numerical and algebraic infrastructure; interval power bounds certify the local inequalities used in torsion checks.
Stability means a torsion certificate on the ladder: residues modulo 8 must be pairwise distinct, matching the three inequivalent orientations of a cubic voxel. The sibling predicate is_stable_lepton_ladder packages that constraint; uniqueness is the claim that only ${2,13,19}$ satisfies it among admissible integer ladders.
proof idea
The module is a necessity package, not a single one-liner. Exact identities pin the geometric constants ($E_p=11$, cube faces $=6$, and the related $W$ factor). Local interval comparisons bound $\pi$ against the $d_6$ scale where needed for torsion numerics.
A torsion certificate is assembled and verified for the candidate ladder. Residues of $2,13,19$ modulo 8 are shown pairwise distinct. Minimality of torsion then forces any stable three-generation ladder to match this rung set, yielding uniqueness (lepton_rungs_forced / lepton_rungs_unique). Electron-mass necessity supplies the base rung; definitions from the lepton-generations layer fix the ladder type.
why it matters in Recognition Science
Without forced rungs, muon and tau masses on the $\varphi$-ladder remain optional insertions. This module closes that gap for the lepton sector: the three-generation torsion constraint in $D=3$ admits only ${2,13,19}$.
It is imported by the T10 lepton-generations layer, which extends the electron ladder to muon and tau masses, and by the unified generation hierarchy that aligns discrete ladder positions across fermion sectors. The hierarchy note is careful: quark quarter-ladder steps live in a separate hypothesis lane; the integer-rung lepton core here is the parameter-free piece.
Framework landmarks in play are T8 ($D=3$), the eight-tick octave (residues mod 8), and the cube-combinatorial seed structure behind $E_p=11$ and the six faces. The result is the structural backbone for citing three-and-only-three charged-lepton generations on the RS ladder.
scope and limits
- Does not derive quark rungs or quarter-ladder mixing coordinates.
- Does not compute numerical muon or tau masses; only forces integer rung positions.
- Does not claim a first-principles closed form for $\alpha^{-1}(0)$; alpha modules remain seed-level upstream.
- Does not address neutrino masses or sterile states.
- Does not relax $D=3$ or the eight-tick residue structure.
used by (2)
depends on (9)
-
IndisputableMonolith.Constants -
IndisputableMonolith.Constants.Alpha -
IndisputableMonolith.Constants.AlphaDerivation -
IndisputableMonolith.Numerics.Interval.Pow -
IndisputableMonolith.PhiSupport -
IndisputableMonolith.Physics.ElectronMass.Defs -
IndisputableMonolith.Physics.ElectronMass.Necessity -
IndisputableMonolith.Physics.LeptonGenerations.Defs -
IndisputableMonolith.RSBridge.GapProperties
declarations in this module (110)
-
theorem
lepton_rungs_forced -
theorem
lepton_residues_distinct -
def
is_stable_lepton_ladder -
theorem
lepton_rungs_unique -
structure
LeptonTorsionCert -
theorem
lepton_torsion_verified -
theorem
torsion_minimality_forced -
lemma
E_passive_exact -
lemma
cube_faces_exact -
lemma
W_exact -
lemma
pi_gt_d6_local -
lemma
pi_lt_d6_local -
lemma
inv_4pi_lower -
lemma
inv_4pi_upper -
lemma
inv_4pi_bounds -
lemma
step_e_mu_bounds -
lemma
step_mu_tau_bounds -
lemma
gap_minus_shift_bounds_proven -
lemma
predicted_residue_mu_bounds -
lemma
predicted_residue_tau_bounds -
def
phi_pow_neg963_lower_hypothesis -
def
phi_pow_neg962_upper_hypothesis -
lemma
exp_four_upper -
lemma
exp_four_lower -
def
exp_taylor_10_at_081416924 -
def
exp_error_10_at_081416924 -
lemma
exp_081416924_upper_q -
lemma
exp_081416924_upper -
def
exp_taylor_10_at_080454125 -
def
exp_error_10_at_080454125 -
lemma
exp_080454125_lower_q -
lemma
exp_080454125_lower -
def
exp_taylor_10_at_063407156 -
def
exp_error_10_at_063407156 -
lemma
exp_063407156_upper_q -
lemma
exp_063407156_upper -
def
exp_taylor_10_at_062924882 -
def
exp_error_10_at_062924882 -
lemma
exp_062924882_lower_q -
lemma
exp_062924882_lower -
lemma
exp_181416924_upper -
lemma
exp_180454125_lower -
lemma
exp_463407156_upper -
lemma
exp_462924882_lower -
theorem
phi_pow_neg963_lower_proved -
theorem
phi_pow_neg962_upper_proved -
theorem
phi_pow_residue_mu_lower -
theorem
phi_pow_residue_mu_upper -
lemma
phi_pow_residue_mu_bounds -
def
phi_pow_neg377_lower_hypothesis -
def
phi_pow_neg375_upper_hypothesis -
theorem
phi_pow_neg377_lower_proved -
theorem
phi_pow_neg375_upper_proved -
theorem
phi_pow_residue_tau_lower -
theorem
phi_pow_residue_tau_upper -
lemma
phi_pow_residue_tau_bounds -
theorem
predicted_mass_mu_lower -
theorem
predicted_mass_mu_upper -
theorem
muon_mass_pred_bounds_proven -
theorem
predicted_mass_mu_lower_tight -
theorem
predicted_mass_mu_upper_tight -
theorem
muon_mass_pred_bounds_tight -
theorem
predicted_mass_tau_lower -
theorem
predicted_mass_tau_upper -
theorem
tau_mass_pred_bounds_proven -
theorem
predicted_mass_tau_lower_tight -
theorem
predicted_mass_tau_upper_tight -
theorem
tau_mass_pred_bounds_tight -
theorem
lepton_ladder_forced_from_T9 -
lemma
inv_4pi_lower_v2 -
lemma
inv_4pi_upper_v2 -
lemma
step_e_mu_bounds_v2 -
lemma
step_mu_tau_bounds_v2 -
lemma
predicted_residue_mu_bounds_v2 -
lemma
predicted_residue_tau_bounds_v2 -
def
exp_taylor_v2_1 -
def
exp_error_v2_1 -
lemma
exp_v2_1_q -
lemma
exp_06327_upper -
def
exp_taylor_v2_2