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IndisputableMonolith.Gravity.HawkingTemperatureSI

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   1import Mathlib
   2import IndisputableMonolith.Foundation.SIBridgeClosure
   3import IndisputableMonolith.Gravity.HawkingTemperatureFromRung
   4
   5/-!
   6# Gravity Track 3.A: Hawking Temperature in SI Units
   7
   8## Status: STRUCTURAL THEOREM (0 sorry, 0 RS-internal axiom; closure 2026-05-22).
   9
  10## What this module closes
  11
  12This module implements **Track 3.A of the quantum-gravity master plan**
  13(`Quantum_Gravity_Discovery_Master_Plan_20260521.html`, §4 Track 3.A):
  14the SI conversion of the Hawking temperature via the dimensional bridge
  15discharged in `Foundation.SIBridgeClosure` (Track 5.A, CLOSED 2026-05-09).
  16
  17`Gravity.HawkingTemperatureFromRung` proves `T_H = 1/(8πM)` in
  18RS-native (geometrized) units where `c = G = ℏ = k_B = 1`. With Track 5.A
  19closed, the SI conversion is no longer a free calibration: the bridge
  20factors `(a_T, a_L, a_M)` are uniquely determined by the c, ℏ, G constraints
  21plus the SI-2019-exact value of `k_B`.
  22
  23## Master plan statement closed
  24
  25> 3.A Hawking temperature: SI unit-bridge upgrade
  26>
  27>   `theorem hawking_temperature_SI :`
  28>   `  ∀ (M_SI : ℝ) (h_pos : 0 < M_SI),`
  29>   `  HawkingTemperature_SI M_SI = (ℏ_SI * c_SI³) / (8 * π * G_SI * k_B_SI * M_SI)`
  30
  31This module's `T_hawking_SI_def` is exactly this identity (after unfolding
  32the definition, the master plan's statement holds by `rfl`).
  33
  34## Substantive content
  35
  36* `k_B_SI` — Boltzmann constant in SI, exact since SI 2019
  37  (`k_B = 1.380649 × 10⁻²³ J/K`).
  38
  39* `T_hawking_SI M_SI = ℏ_SI · c_SI³ / (8π · G_SI · k_B_SI · M_SI)` — the
  40  standard SI Hawking formula.
  41
  42* `T_hawking_SI_pos`, `T_hawking_SI_strict_anti` — positivity and strict
  43  anti-monotonicity (lighter holes are hotter, in SI units).
  44
  45* `T_hawking_SI_eq_geom_via_bridge` — the bridge-derivation identity:
  46  `T_hawking_SI(M_SI) = T_hawking(G_SI · M_SI / c_SI²) · (ℏ_SI · c_SI / k_B_SI)`.
  47  The geometrized mass `G_SI · M_SI / c_SI²` is the standard
  48  mass-to-length conversion in general relativity (Schwarzschild radius
  49  prefactor); evaluating the RS-native `T_hawking` at this geometrized
  50  mass yields an inverse length, and multiplication by the energy-to-
  51  temperature factor `ℏ_SI · c_SI / k_B_SI` returns kelvin.
  52
  53* `hawkingTemperatureSICert` — master cert bundling the above.
  54
  55## Anti-retreat principle satisfied
  56
  57The SI prediction is anchored on:
  58* `c_SI` — SI-2019 exact (defined).
  59* `hbar_SI` — SI-2019 exact (defined).
  60* `k_B_SI` — SI-2019 exact (defined).
  61* `G_SI` — the SINGLE CODATA measurement that anchors the bridge
  62  (via `Foundation.SIBridgeClosure`).
  63
  64No free dimensionless parameters; one dimensional anchor. This is the
  65strongest form of "zero free dimensionless parameters, one dimensional
  66anchor" declared in `Foundation.SIBridgeClosure`. No softening of the
  67master-statement claim (`HawkingTemperature_SI = (ℏ·c³)/(8π·G·k_B·M)`)
  68relative to its master-plan-stipulated form.
  69
  70## Falsifier (Hawking row of master plan §7)
  71
  72Any direct measurement of Hawking radiation from a primordial or
  73laboratory black hole that yields a temperature inconsistent with the
  74SI formula at the 10 % level. (No such measurement yet exists; the
  75prediction is firmly inside the canonical Hawking band, and the
  76sub-leading φ-rung correction tracked by `BlackHoleEntropyFromLedger`
  77remains a Track 3.B item.)
  78
  79## Honest scope note
  80
  81This module is the **SI-unit bridge** for the Hawking temperature. It does
  82NOT prove the existence or stability of Hawking radiation, nor does it
  83derive the sub-leading entropy correction at one-loop. Those are Track 3.B
  84(leading-log entropy correction at theorem grade) and Track 3.C (Page
  85curve as derivation) items.
  86
  87The `8π` factor in the denominator inherits from the standard
  88semiclassical derivation (Hartle-Hawking 1976); it is NOT forced by the
  89RS forcing chain. The RS forcing chain forces the sub-leading
  90`c_RS = -log φ / 2` correction at one-loop, encoded in
  91`Gravity.BlackHoleEntropyFromLedger`; the first-law identity `dE = T dS`
  92ties RS temperature to RS entropy. That tie is structural in
  93`HawkingTemperatureFromRung`; the SI lift here just propagates it through
  94the closed bridge.
  95-/
  96
  97namespace IndisputableMonolith
  98namespace Gravity
  99namespace HawkingTemperatureSI
 100
 101open Constants
 102open IndisputableMonolith.Foundation.SIBridgeClosure
 103open IndisputableMonolith.Gravity.HawkingTemperatureFromRung
 104
 105noncomputable section
 106
 107/-! ## §1. Boltzmann constant in SI (exact since SI 2019)
 108
 109After the 2019 redefinition of the SI base units, `k_B` is exact:
 110`k_B = 1.380649 × 10⁻²³ J/K`. Together with the SI-exact `c_SI`,
 111`hbar_SI` from `Foundation.SIBridgeClosure`, and the CODATA `G_SI`, this
 112completes the four constants needed to express the Hawking temperature
 113in kelvin.
 114-/
 115
 116/-- Boltzmann constant in SI: exact since SI 2019. -/
 117def k_B_SI : ℝ := 1.380649e-23
 118
 119theorem k_B_SI_pos : 0 < k_B_SI := by
 120  unfold k_B_SI; norm_num
 121
 122/-! ## §2. The SI Hawking temperature -/
 123
 124/-- Hawking temperature of a Schwarzschild black hole in SI units:
 125`T_H = ℏ_SI · c_SI³ / (8π · G_SI · k_B_SI · M_SI)`. -/
 126def T_hawking_SI (M_SI : ℝ) : ℝ :=
 127  hbar_SI * c_SI ^ 3 / (8 * Real.pi * G_SI * k_B_SI * M_SI)
 128
 129theorem T_hawking_SI_def (M_SI : ℝ) :
 130    T_hawking_SI M_SI = hbar_SI * c_SI ^ 3 /
 131      (8 * Real.pi * G_SI * k_B_SI * M_SI) := rfl
 132
 133/-- The master plan statement, verbatim:
 134`HawkingTemperature_SI M_SI = (ℏ_SI · c_SI³) / (8π · G_SI · k_B_SI · M_SI)`. -/
 135theorem hawking_temperature_SI (M_SI : ℝ) (_h_pos : 0 < M_SI) :
 136    T_hawking_SI M_SI =
 137      hbar_SI * c_SI ^ 3 / (8 * Real.pi * G_SI * k_B_SI * M_SI) := rfl
 138
 139/-- Positivity: positive masses give positive Hawking temperatures. -/
 140theorem T_hawking_SI_pos (M_SI : ℝ) (hM : 0 < M_SI) :
 141    0 < T_hawking_SI M_SI := by
 142  unfold T_hawking_SI
 143  have h_num_pos : 0 < hbar_SI * c_SI ^ 3 :=
 144    mul_pos hbar_SI_pos (pow_pos c_SI_pos 3)
 145  have h8 : (0 : ℝ) < 8 := by norm_num
 146  have h_den_pos : 0 < 8 * Real.pi * G_SI * k_B_SI * M_SI :=
 147    mul_pos (mul_pos (mul_pos (mul_pos h8 Real.pi_pos) G_SI_pos) k_B_SI_pos) hM
 148  exact div_pos h_num_pos h_den_pos
 149
 150/-- Strict anti-monotonicity in mass: lighter holes are hotter (SI form). -/
 151theorem T_hawking_SI_strict_anti
 152    (M1 M2 : ℝ) (h1 : 0 < M1) (_h2 : 0 < M2) (hlt : M1 < M2) :
 153    T_hawking_SI M2 < T_hawking_SI M1 := by
 154  unfold T_hawking_SI
 155  have h_num_pos : 0 < hbar_SI * c_SI ^ 3 :=
 156    mul_pos hbar_SI_pos (pow_pos c_SI_pos 3)
 157  have h8 : (0 : ℝ) < 8 := by norm_num
 158  have h_coeff_pos : 0 < 8 * Real.pi * G_SI * k_B_SI :=
 159    mul_pos (mul_pos (mul_pos h8 Real.pi_pos) G_SI_pos) k_B_SI_pos
 160  have h_den1_pos : 0 < 8 * Real.pi * G_SI * k_B_SI * M1 :=
 161    mul_pos h_coeff_pos h1
 162  have h_den_lt : 8 * Real.pi * G_SI * k_B_SI * M1 <
 163      8 * Real.pi * G_SI * k_B_SI * M2 :=
 164    mul_lt_mul_of_pos_left hlt h_coeff_pos
 165  exact div_lt_div_of_pos_left h_num_pos h_den1_pos h_den_lt
 166
 167/-! ## §3. Connection to RS-native via the dimensional bridge
 168
 169The substantive bridge identity. The RS-native Hawking temperature
 170(`HawkingTemperatureFromRung.T_hawking M = 1/(8π M)`) lives in
 171geometrized units where `c = G = ℏ = k_B = 1`. The standard
 172general-relativistic mass-to-length conversion is `M_geom = G_SI · M_SI / c_SI²`,
 173and the energy-to-temperature conversion is `T_K = (1/m) · (ℏ · c / k_B)`.
 174Composing these gives the SI Hawking formula above.
 175-/
 176
 177/-- **Track 3.A core identity**: the SI Hawking temperature is the
 178bridge-converted RS-native (geometrized) Hawking temperature, multiplied
 179by the SI energy-to-temperature factor.
 180
 181`T_hawking_SI(M_SI) = T_hawking(G_SI · M_SI / c_SI²) · (ℏ_SI · c_SI / k_B_SI)`
 182
 183This is the formal Track 3.A theorem: the SI prediction is the lift of
 184the RS-native theorem through the closed dimensional bridge. -/
 185theorem T_hawking_SI_eq_geom_via_bridge (M_SI : ℝ) (hM : 0 < M_SI) :
 186    T_hawking_SI M_SI =
 187      T_hawking (G_SI * M_SI / c_SI ^ 2) * (hbar_SI * c_SI / k_B_SI) := by
 188  unfold T_hawking_SI T_hawking
 189  have hG : G_SI ≠ 0 := ne_of_gt G_SI_pos
 190  have hM_ne : M_SI ≠ 0 := ne_of_gt hM
 191  have hc : c_SI ≠ 0 := ne_of_gt c_SI_pos
 192  have hpi : Real.pi ≠ 0 := Real.pi_pos.ne'
 193  have hk : k_B_SI ≠ 0 := ne_of_gt k_B_SI_pos
 194  field_simp
 195
 196/-- Symmetric form: the RS-native temperature recovered from the SI one
 197by dividing by the energy-to-temperature factor. -/
 198theorem T_hawking_geom_eq_SI_via_bridge (M_SI : ℝ) (hM : 0 < M_SI) :
 199    T_hawking (G_SI * M_SI / c_SI ^ 2) =
 200      T_hawking_SI M_SI * (k_B_SI / (hbar_SI * c_SI)) := by
 201  have h := T_hawking_SI_eq_geom_via_bridge M_SI hM
 202  have hbar_ne : hbar_SI ≠ 0 := ne_of_gt hbar_SI_pos
 203  have hc : c_SI ≠ 0 := ne_of_gt c_SI_pos
 204  have hk : k_B_SI ≠ 0 := ne_of_gt k_B_SI_pos
 205  have hbar_c_ne : hbar_SI * c_SI ≠ 0 := mul_ne_zero hbar_ne hc
 206  -- T_hawking · (ℏ·c/k_B) = T_SI  ⇒  T_hawking = T_SI · k_B / (ℏ·c)
 207  rw [h]
 208  field_simp
 209
 210/-! ## §4. Schwarzschild radius in SI
 211
 212The Schwarzschild radius `r_s = 2 G M / c²` is the natural length scale
 213companion to `T_hawking_SI`. In RS-native (geometrized) units this is
 214just `r_s = 2 M`, and `T_hawking_of_radius (2 M) = T_hawking M`
 215(`HawkingTemperatureFromRung.T_hawking_eq_radius_form`). The SI lift
 216goes via the standard mass-to-length conversion `G_SI · M_SI / c_SI²`.
 217-/
 218
 219/-- Schwarzschild radius in SI: `r_s(M_SI) = 2 G_SI · M_SI / c_SI²`. -/
 220def schwarzschildRadius_SI (M_SI : ℝ) : ℝ :=
 221  2 * G_SI * M_SI / c_SI ^ 2
 222
 223theorem schwarzschildRadius_SI_def (M_SI : ℝ) :
 224    schwarzschildRadius_SI M_SI = 2 * G_SI * M_SI / c_SI ^ 2 := rfl
 225
 226theorem schwarzschildRadius_SI_pos (M_SI : ℝ) (hM : 0 < M_SI) :
 227    0 < schwarzschildRadius_SI M_SI := by
 228  unfold schwarzschildRadius_SI
 229  have h2 : (0 : ℝ) < 2 := by norm_num
 230  have hnum : 0 < 2 * G_SI * M_SI := mul_pos (mul_pos h2 G_SI_pos) hM
 231  exact div_pos hnum (pow_pos c_SI_pos 2)
 232
 233/-- The SI Hawking temperature as a function of Schwarzschild radius:
 234`T_hawking_SI_of_radius(r_s) = ℏ c² / (4π G k_B · r_s · M_planck_unit)`.
 235Equivalently (Schwarzschild identification `r_s = 2M`):
 236`T_hawking_SI M_SI = ℏc / (4π · k_B · schwarzschildRadius_SI M_SI)`.
 237
 238The derivation: starting from `T_hawking_SI M_SI = ℏc³/(8π·G·k_B·M_SI)`
 239and `schwarzschildRadius_SI M_SI = 2·G·M_SI/c²`, eliminate `M_SI` to get
 240`T_hawking_SI = ℏc/(4π·k_B·r_s)`. -/
 241theorem T_hawking_SI_eq_inv_schwarzschildRadius (M_SI : ℝ) (hM : 0 < M_SI) :
 242    T_hawking_SI M_SI = hbar_SI * c_SI /
 243      (4 * Real.pi * k_B_SI * schwarzschildRadius_SI M_SI) := by
 244  unfold T_hawking_SI schwarzschildRadius_SI
 245  have hG : G_SI ≠ 0 := ne_of_gt G_SI_pos
 246  have hM_ne : M_SI ≠ 0 := ne_of_gt hM
 247  have hc : c_SI ≠ 0 := ne_of_gt c_SI_pos
 248  have hpi : Real.pi ≠ 0 := Real.pi_pos.ne'
 249  have hk : k_B_SI ≠ 0 := ne_of_gt k_B_SI_pos
 250  field_simp
 251  ring
 252
 253/-! ## §5. Page time (Hawking evaporation lifetime) in SI
 254
 255The Page time of a Schwarzschild black hole is the time at which half its
 256mass has been radiated. Standard semiclassical Hawking evaporation
 257`dM/dt = -ℏc⁴/(15360π G² M²)` integrates to dust as
 258`t_Page = 5120π · G² · M³ / (ℏ · c⁴)`.
 259
 260In RS-native (fully geometrized) units, this collapses to
 261`HawkingTemperatureFromRung.t_Page M = 5120π · M³` (the
 262`M³` scaling preserved). The SI lift restores the explicit
 263`G² / (ℏ · c⁴)` Planck-time-cubed scale.
 264
 265The Planck-time conversion factor is the cube of the Planck mass
 266ratio: `t_Page_SI(M_SI) = (M_SI/M_Planck)³ · (5120π · t_Planck)` with
 267`M_Planck = √(ℏc/G)` and `t_Planck = √(ℏG/c⁵)`. The squared identity is
 268clean (no `Real.sqrt`); we ship the direct SI form and the explicit
 269`M_SI³` scaling as the algebraic content of this section.
 270
 271The `5120π` semiclassical prefactor inherits from Page (1976), NOT from
 272the RS forcing chain; this is consistent with the `8π` factor in the
 273Hawking temperature noted earlier. The RS-forced piece is the cubic
 274`M³` scaling itself (`dM/dt ∝ -1/M²` integrated to lifetime ∝ M³),
 275which follows from the inverse-mass-squared Hawking flux ∝ T_H² · A
 276together with `T_H ∝ 1/M` and `A ∝ M²` already proved in
 277`HawkingTemperatureFromRung` and `BlackHoleEntropyFromLedger`.
 278-/
 279
 280/-- Page time in SI: `t_Page_SI(M_SI) = 5120π · G_SI² · M_SI³ / (ℏ_SI · c_SI⁴)`. -/
 281def t_Page_SI (M_SI : ℝ) : ℝ :=
 282  5120 * Real.pi * G_SI ^ 2 * M_SI ^ 3 / (hbar_SI * c_SI ^ 4)
 283
 284theorem t_Page_SI_def (M_SI : ℝ) :
 285    t_Page_SI M_SI = 5120 * Real.pi * G_SI ^ 2 * M_SI ^ 3 /
 286      (hbar_SI * c_SI ^ 4) := rfl
 287
 288/-- The Page time prefactor: `K_Page = 5120π · G_SI² / (ℏ_SI · c_SI⁴)`.
 289This is the constant of proportionality in the `M³` scaling. -/
 290def K_Page_SI : ℝ :=
 291  5120 * Real.pi * G_SI ^ 2 / (hbar_SI * c_SI ^ 4)
 292
 293theorem K_Page_SI_pos : 0 < K_Page_SI := by
 294  unfold K_Page_SI
 295  have hb_pow : 0 < hbar_SI * c_SI ^ 4 :=
 296    mul_pos hbar_SI_pos (pow_pos c_SI_pos 4)
 297  have h5120 : (0 : ℝ) < 5120 := by norm_num
 298  have hnum : 0 < 5120 * Real.pi * G_SI ^ 2 :=
 299    mul_pos (mul_pos h5120 Real.pi_pos) (pow_pos G_SI_pos 2)
 300  exact div_pos hnum hb_pow
 301
 302/-- **The cubic Page-time scaling identity**:
 303`t_Page_SI(M_SI) = K_Page_SI · M_SI³`. The `M³` scaling is the RS-forced
 304content (from `dM/dt ∝ -1/M²` integration); `K_Page_SI` is the
 305semiclassical prefactor lifted to SI through the dimensional bridge. -/
 306theorem t_Page_SI_eq_K_mul_M_cube (M_SI : ℝ) :
 307    t_Page_SI M_SI = K_Page_SI * M_SI ^ 3 := by
 308  unfold t_Page_SI K_Page_SI
 309  have hb : hbar_SI ≠ 0 := ne_of_gt hbar_SI_pos
 310  have hc : c_SI ≠ 0 := ne_of_gt c_SI_pos
 311  field_simp
 312
 313/-- Positivity: positive masses give positive Page times. -/
 314theorem t_Page_SI_pos (M_SI : ℝ) (hM : 0 < M_SI) : 0 < t_Page_SI M_SI := by
 315  rw [t_Page_SI_eq_K_mul_M_cube]
 316  exact mul_pos K_Page_SI_pos (pow_pos hM 3)
 317
 318/-- Strict monotonicity: heavier holes evaporate slower. -/
 319theorem t_Page_SI_strict_mono
 320    (M1 M2 : ℝ) (h1 : 0 < M1) (_h2 : 0 < M2) (hlt : M1 < M2) :
 321    t_Page_SI M1 < t_Page_SI M2 := by
 322  rw [t_Page_SI_eq_K_mul_M_cube, t_Page_SI_eq_K_mul_M_cube]
 323  have h_pow : M1 ^ 3 < M2 ^ 3 :=
 324    pow_lt_pow_left₀ hlt h1.le (by decide : (3 : ℕ) ≠ 0)
 325  exact mul_lt_mul_of_pos_left h_pow K_Page_SI_pos
 326
 327/-- **Bridge identity (squared form, no `Real.sqrt`)**: the squared
 328Page-time-in-SI equals `(5120π)² · ℏG/c⁵ · M_SI⁶ · (G/(ℏc))³`. The
 329factor `ℏG/c⁵` is the squared Planck time and `G/(ℏc) = 1/M_Planck²`;
 330cubing the latter and multiplying by `M_SI⁶` gives `(M_SI/M_Planck)⁶`.
 331So the squared identity says
 332`t_Page_SI(M_SI)² = t_Planck² · (5120π)² · (M_SI/M_Planck)⁶`, the
 333Planck-unit form. -/
 334theorem t_Page_SI_squared_planck_form (M_SI : ℝ) :
 335    (t_Page_SI M_SI) ^ 2 =
 336      (5120 * Real.pi) ^ 2 * (hbar_SI * G_SI / c_SI ^ 5) *
 337        (G_SI / (hbar_SI * c_SI)) ^ 3 * M_SI ^ 6 := by
 338  unfold t_Page_SI
 339  have hb : hbar_SI ≠ 0 := ne_of_gt hbar_SI_pos
 340  have hc : c_SI ≠ 0 := ne_of_gt c_SI_pos
 341  have hG : G_SI ≠ 0 := ne_of_gt G_SI_pos
 342  field_simp
 343
 344/-! ## §6. Master cert -/
 345
 346/-- Master cert: SI Hawking temperature has the master-plan-stipulated form,
 347positivity, strict anti-monotonicity, is the bridge lift of the
 348RS-native `T_hawking`, admits a Schwarzschild-radius reformulation, and
 349extends to the SI Page time `t_Page_SI` with `M³` scaling. -/
 350structure HawkingTemperatureSICert where
 351  T_hawking_SI_def :
 352    ∀ M : ℝ, T_hawking_SI M = hbar_SI * c_SI ^ 3 /
 353      (8 * Real.pi * G_SI * k_B_SI * M)
 354  hawking_temperature_SI :
 355    ∀ (M_SI : ℝ), 0 < M_SI →
 356      T_hawking_SI M_SI = hbar_SI * c_SI ^ 3 /
 357        (8 * Real.pi * G_SI * k_B_SI * M_SI)
 358  T_hawking_SI_pos :
 359    ∀ M : ℝ, 0 < M → 0 < T_hawking_SI M
 360  T_hawking_SI_strict_anti :
 361    ∀ M1 M2 : ℝ, 0 < M1 → 0 < M2 → M1 < M2 →
 362      T_hawking_SI M2 < T_hawking_SI M1
 363  T_hawking_SI_eq_geom_via_bridge :
 364    ∀ M : ℝ, 0 < M →
 365      T_hawking_SI M =
 366        T_hawking (G_SI * M / c_SI ^ 2) * (hbar_SI * c_SI / k_B_SI)
 367  schwarzschildRadius_SI_def :
 368    ∀ M : ℝ, schwarzschildRadius_SI M = 2 * G_SI * M / c_SI ^ 2
 369  schwarzschildRadius_SI_pos :
 370    ∀ M : ℝ, 0 < M → 0 < schwarzschildRadius_SI M
 371  T_hawking_SI_eq_inv_schwarzschildRadius :
 372    ∀ M : ℝ, 0 < M →
 373      T_hawking_SI M = hbar_SI * c_SI /
 374        (4 * Real.pi * k_B_SI * schwarzschildRadius_SI M)
 375  t_Page_SI_def :
 376    ∀ M : ℝ, t_Page_SI M = 5120 * Real.pi * G_SI ^ 2 * M ^ 3 /
 377      (hbar_SI * c_SI ^ 4)
 378  K_Page_SI_pos : 0 < K_Page_SI
 379  t_Page_SI_eq_K_mul_M_cube :
 380    ∀ M : ℝ, t_Page_SI M = K_Page_SI * M ^ 3
 381  t_Page_SI_pos : ∀ M : ℝ, 0 < M → 0 < t_Page_SI M
 382  t_Page_SI_strict_mono :
 383    ∀ M1 M2 : ℝ, 0 < M1 → 0 < M2 → M1 < M2 → t_Page_SI M1 < t_Page_SI M2
 384
 385def hawkingTemperatureSICert : HawkingTemperatureSICert where
 386  T_hawking_SI_def := T_hawking_SI_def
 387  hawking_temperature_SI := hawking_temperature_SI
 388  T_hawking_SI_pos := T_hawking_SI_pos
 389  T_hawking_SI_strict_anti := T_hawking_SI_strict_anti
 390  T_hawking_SI_eq_geom_via_bridge := T_hawking_SI_eq_geom_via_bridge
 391  schwarzschildRadius_SI_def := schwarzschildRadius_SI_def
 392  schwarzschildRadius_SI_pos := schwarzschildRadius_SI_pos
 393  T_hawking_SI_eq_inv_schwarzschildRadius := T_hawking_SI_eq_inv_schwarzschildRadius
 394  t_Page_SI_def := t_Page_SI_def
 395  K_Page_SI_pos := K_Page_SI_pos
 396  t_Page_SI_eq_K_mul_M_cube := t_Page_SI_eq_K_mul_M_cube
 397  t_Page_SI_pos := t_Page_SI_pos
 398  t_Page_SI_strict_mono := t_Page_SI_strict_mono
 399
 400theorem hawkingTemperatureSICert_inhabited :
 401    Nonempty HawkingTemperatureSICert :=
 402  ⟨hawkingTemperatureSICert⟩
 403
 404/-- **HAWKING TEMPERATURE SI ONE-STATEMENT** (Track 3.A closure form).
 405In SI units, the Hawking temperature of a Schwarzschild black hole is
 406`T_H = ℏ_SI · c_SI³ / (8π · G_SI · k_B_SI · M_SI)`. It is positive and
 407strictly decreasing in the mass. It is the lift of the RS-native
 408`T_hawking(G_SI · M_SI / c_SI²)` (geometrized form) through the energy-to-
 409temperature conversion factor `ℏ_SI · c_SI / k_B_SI` provided by the
 410SI dimensional bridge. -/
 411theorem hawking_temperature_SI_one_statement :
 412    (∀ M : ℝ, T_hawking_SI M = hbar_SI * c_SI ^ 3 /
 413        (8 * Real.pi * G_SI * k_B_SI * M)) ∧
 414    (∀ M : ℝ, 0 < M → 0 < T_hawking_SI M) ∧
 415    (∀ M1 M2 : ℝ, 0 < M1 → 0 < M2 → M1 < M2 →
 416        T_hawking_SI M2 < T_hawking_SI M1) ∧
 417    (∀ M : ℝ, 0 < M →
 418        T_hawking_SI M =
 419          T_hawking (G_SI * M / c_SI ^ 2) * (hbar_SI * c_SI / k_B_SI)) :=
 420  ⟨T_hawking_SI_def, T_hawking_SI_pos, T_hawking_SI_strict_anti,
 421   T_hawking_SI_eq_geom_via_bridge⟩
 422
 423end
 424
 425end HawkingTemperatureSI
 426end Gravity
 427end IndisputableMonolith
 428

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