theorem
proved
fourth_shell_capacity
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IndisputableMonolith.QFT.PauliExclusion on GitHub at line 118.
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115theorem third_shell_capacity : shellCapacity 3 = 18 := rfl
116
117/-- **THEOREM**: Fourth shell (n=4) holds 32 electrons. -/
118theorem fourth_shell_capacity : shellCapacity 4 = 32 := rfl
119
120/-! ## Noble Gas Configurations -/
121
122/-- Noble gas electron counts (cumulative filled shells). -/
123def nobleGasElectrons : List ℕ := [2, 10, 18, 36, 54, 86]
124
125/-- **THEOREM**: Helium has 2 electrons (1s²). -/
126theorem helium_electrons : nobleGasElectrons[0]! = 2 := rfl
127
128/-- **THEOREM**: Neon has 10 electrons (1s² 2s² 2p⁶). -/
129theorem neon_electrons : nobleGasElectrons[1]! = 10 := rfl
130
131/-- **THEOREM**: Argon has 18 electrons. -/
132theorem argon_electrons : nobleGasElectrons[2]! = 18 := rfl
133
134/-- **THEOREM**: Shell filling follows 2n² pattern. -/
135theorem shell_filling_pattern :
136 shellCapacity 1 + shellCapacity 2 = 10 ∧
137 shellCapacity 1 + shellCapacity 2 + shellCapacity 3 = 28 := by
138 constructor <;> rfl
139
140/-! ## Degeneracy Pressure -/
141
142/-- Fermi energy scale factor. For non-relativistic fermions,
143 E_F ∝ n^(2/3) where n is number density. -/
144def fermiEnergyExponent : ℚ := 2/3
145
146/-- Degeneracy pressure exponent. P ∝ n^(5/3) for non-relativistic. -/
147def degeneracyPressureExponent : ℚ := 5/3
148