Users' Mathboxes Mathbox for Thierry Arnoux < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  constrext2chnlem Structured version   Visualization version   GIF version

Theorem constrext2chnlem 33907
Description: Lemma for constrext2chn 33916. (Contributed by Thierry Arnoux, 26-Oct-2025.)
Hypotheses
Ref Expression
constr0.1 𝐶 = rec((𝑠 ∈ V ↦ {𝑥 ∈ ℂ ∣ (∃𝑎𝑠𝑏𝑠𝑐𝑠𝑑𝑠𝑡 ∈ ℝ ∃𝑟 ∈ ℝ (𝑥 = (𝑎 + (𝑡 · (𝑏𝑎))) ∧ 𝑥 = (𝑐 + (𝑟 · (𝑑𝑐))) ∧ (ℑ‘((∗‘(𝑏𝑎)) · (𝑑𝑐))) ≠ 0) ∨ ∃𝑎𝑠𝑏𝑠𝑐𝑠𝑒𝑠𝑓𝑠𝑡 ∈ ℝ (𝑥 = (𝑎 + (𝑡 · (𝑏𝑎))) ∧ (abs‘(𝑥𝑐)) = (abs‘(𝑒𝑓))) ∨ ∃𝑎𝑠𝑏𝑠𝑐𝑠𝑑𝑠𝑒𝑠𝑓𝑠 (𝑎𝑑 ∧ (abs‘(𝑥𝑎)) = (abs‘(𝑏𝑐)) ∧ (abs‘(𝑥𝑑)) = (abs‘(𝑒𝑓))))}), {0, 1})
constrextdg2.1 𝐸 = (ℂflds 𝑒)
constrextdg2.2 𝐹 = (ℂflds 𝑓)
constrextdg2.l < = {⟨𝑓, 𝑒⟩ ∣ (𝐸/FldExt𝐹 ∧ (𝐸[:]𝐹) = 2)}
constrextdg2.n (𝜑𝑁 ∈ ω)
constrext2chnlem.q 𝑄 = (ℂflds ℚ)
constrext2chnlem.l 𝐿 = (ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))
constrext2chnlem.a (𝜑𝐴 ∈ Constr)
Assertion
Ref Expression
constrext2chnlem (𝜑 → ∃𝑛 ∈ ℕ0 (𝐿[:]𝑄) = (2↑𝑛))
Distinct variable groups:   < ,𝑎,𝑏,𝑐,𝑑,𝑒,𝑓,𝑛,𝑟,𝑠,𝑡,𝑥   𝐶,𝑎,𝑏,𝑐,𝑑,𝑒,𝑓,𝑛,𝑟,𝑠,𝑡,𝑥   𝑡,𝑁   𝐴,𝑛   𝑛,𝐿   𝑄,𝑛   𝜑,𝑛
Allowed substitution hints:   𝜑(𝑥,𝑡,𝑒,𝑓,𝑠,𝑟,𝑎,𝑏,𝑐,𝑑)   𝐴(𝑥,𝑡,𝑒,𝑓,𝑠,𝑟,𝑎,𝑏,𝑐,𝑑)   𝑄(𝑥,𝑡,𝑒,𝑓,𝑠,𝑟,𝑎,𝑏,𝑐,𝑑)   𝐸(𝑥,𝑡,𝑒,𝑓,𝑛,𝑠,𝑟,𝑎,𝑏,𝑐,𝑑)   𝐹(𝑥,𝑡,𝑒,𝑓,𝑛,𝑠,𝑟,𝑎,𝑏,𝑐,𝑑)   𝐿(𝑥,𝑡,𝑒,𝑓,𝑠,𝑟,𝑎,𝑏,𝑐,𝑑)   𝑁(𝑥,𝑒,𝑓,𝑛,𝑠,𝑟,𝑎,𝑏,𝑐,𝑑)

Proof of Theorem constrext2chnlem
Dummy variables 𝑣 𝑚 𝑝 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 2prm 16619 . . . . . 6 2 ∈ ℙ
21a1i 11 . . . . 5 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → 2 ∈ ℙ)
3 constrext2chnlem.l . . . . . . 7 𝐿 = (ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))
4 constrext2chnlem.q . . . . . . 7 𝑄 = (ℂflds ℚ)
53, 4oveq12i 7370 . . . . . 6 (𝐿[:]𝑄) = ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))
6 cnfldbas 21313 . . . . . . . . . 10 ℂ = (Base‘ℂfld)
7 eqid 2736 . . . . . . . . . 10 (ℂflds ℚ) = (ℂflds ℚ)
8 eqid 2736 . . . . . . . . . 10 (ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))) = (ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))
9 cnfldfld 33423 . . . . . . . . . . 11 fld ∈ Field
109a1i 11 . . . . . . . . . 10 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ℂfld ∈ Field)
11 cndrng 21353 . . . . . . . . . . . 12 fld ∈ DivRing
12 qsubdrg 21374 . . . . . . . . . . . . 13 (ℚ ∈ (SubRing‘ℂfld) ∧ (ℂflds ℚ) ∈ DivRing)
1312simpli 483 . . . . . . . . . . . 12 ℚ ∈ (SubRing‘ℂfld)
1412simpri 485 . . . . . . . . . . . 12 (ℂflds ℚ) ∈ DivRing
15 issdrg 20721 . . . . . . . . . . . 12 (ℚ ∈ (SubDRing‘ℂfld) ↔ (ℂfld ∈ DivRing ∧ ℚ ∈ (SubRing‘ℂfld) ∧ (ℂflds ℚ) ∈ DivRing))
1611, 13, 14, 15mpbir3an 1342 . . . . . . . . . . 11 ℚ ∈ (SubDRing‘ℂfld)
1716a1i 11 . . . . . . . . . 10 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ℚ ∈ (SubDRing‘ℂfld))
18 constr0.1 . . . . . . . . . . . . . 14 𝐶 = rec((𝑠 ∈ V ↦ {𝑥 ∈ ℂ ∣ (∃𝑎𝑠𝑏𝑠𝑐𝑠𝑑𝑠𝑡 ∈ ℝ ∃𝑟 ∈ ℝ (𝑥 = (𝑎 + (𝑡 · (𝑏𝑎))) ∧ 𝑥 = (𝑐 + (𝑟 · (𝑑𝑐))) ∧ (ℑ‘((∗‘(𝑏𝑎)) · (𝑑𝑐))) ≠ 0) ∨ ∃𝑎𝑠𝑏𝑠𝑐𝑠𝑒𝑠𝑓𝑠𝑡 ∈ ℝ (𝑥 = (𝑎 + (𝑡 · (𝑏𝑎))) ∧ (abs‘(𝑥𝑐)) = (abs‘(𝑒𝑓))) ∨ ∃𝑎𝑠𝑏𝑠𝑐𝑠𝑑𝑠𝑒𝑠𝑓𝑠 (𝑎𝑑 ∧ (abs‘(𝑥𝑎)) = (abs‘(𝑏𝑐)) ∧ (abs‘(𝑥𝑑)) = (abs‘(𝑒𝑓))))}), {0, 1})
19 nnon 7814 . . . . . . . . . . . . . . 15 (𝑚 ∈ ω → 𝑚 ∈ On)
2019adantl 481 . . . . . . . . . . . . . 14 ((𝜑𝑚 ∈ ω) → 𝑚 ∈ On)
2118, 20constrsscn 33897 . . . . . . . . . . . . 13 ((𝜑𝑚 ∈ ω) → (𝐶𝑚) ⊆ ℂ)
2221sselda 3933 . . . . . . . . . . . 12 (((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) → 𝐴 ∈ ℂ)
2322snssd 4765 . . . . . . . . . . 11 (((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) → {𝐴} ⊆ ℂ)
2423ad2antrr 726 . . . . . . . . . 10 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → {𝐴} ⊆ ℂ)
256, 7, 8, 10, 17, 24fldgenfldext 33825 . . . . . . . . 9 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))/FldExt(ℂflds ℚ))
2625ad2antrr 726 . . . . . . . 8 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → (ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))/FldExt(ℂflds ℚ))
27 extdgcl 33813 . . . . . . . 8 ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))/FldExt(ℂflds ℚ) → ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℕ0*)
2826, 27syl 17 . . . . . . 7 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℕ0*)
29 simpr 484 . . . . . . . . . 10 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝))
30 2z 12523 . . . . . . . . . . . 12 2 ∈ ℤ
3130a1i 11 . . . . . . . . . . 11 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → 2 ∈ ℤ)
32 simplr 768 . . . . . . . . . . 11 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → 𝑝 ∈ ℕ0)
3331, 32zexpcld 14010 . . . . . . . . . 10 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → (2↑𝑝) ∈ ℤ)
3429, 33eqeltrd 2836 . . . . . . . . 9 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) ∈ ℤ)
3534zred 12596 . . . . . . . 8 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) ∈ ℝ)
36 xnn0xr 12479 . . . . . . . . 9 (((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℕ0* → ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℝ*)
3726, 27, 363syl 18 . . . . . . . 8 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℝ*)
38 eqid 2736 . . . . . . . . . . . . 13 (Base‘(ℂflds (lastS‘𝑣))) = (Base‘(ℂflds (lastS‘𝑣)))
39 constrextdg2.1 . . . . . . . . . . . . . . . 16 𝐸 = (ℂflds 𝑒)
40 constrextdg2.2 . . . . . . . . . . . . . . . 16 𝐹 = (ℂflds 𝑓)
41 constrextdg2.l . . . . . . . . . . . . . . . 16 < = {⟨𝑓, 𝑒⟩ ∣ (𝐸/FldExt𝐹 ∧ (𝐸[:]𝐹) = 2)}
42 simplr 768 . . . . . . . . . . . . . . . 16 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → 𝑣 ∈ ( < Chain (SubDRing‘ℂfld)))
43 simprl 770 . . . . . . . . . . . . . . . . 17 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (𝑣‘0) = ℚ)
4443oveq2d 7374 . . . . . . . . . . . . . . . 16 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℂflds (𝑣‘0)) = (ℂflds ℚ))
45 eqidd 2737 . . . . . . . . . . . . . . . 16 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℂflds (lastS‘𝑣)) = (ℂflds (lastS‘𝑣)))
46 simpr 484 . . . . . . . . . . . . . . . . . . . . 21 ((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑣 = ∅) → 𝑣 = ∅)
4746fveq1d 6836 . . . . . . . . . . . . . . . . . . . 20 ((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑣 = ∅) → (𝑣‘0) = (∅‘0))
48 0fv 6875 . . . . . . . . . . . . . . . . . . . . 21 (∅‘0) = ∅
4948a1i 11 . . . . . . . . . . . . . . . . . . . 20 ((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑣 = ∅) → (∅‘0) = ∅)
5047, 49eqtrd 2771 . . . . . . . . . . . . . . . . . . 19 ((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑣 = ∅) → (𝑣‘0) = ∅)
5143adantr 480 . . . . . . . . . . . . . . . . . . . . 21 ((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑣 = ∅) → (𝑣‘0) = ℚ)
52 1nn 12156 . . . . . . . . . . . . . . . . . . . . . . . 24 1 ∈ ℕ
53 nnq 12875 . . . . . . . . . . . . . . . . . . . . . . . 24 (1 ∈ ℕ → 1 ∈ ℚ)
5452, 53ax-mp 5 . . . . . . . . . . . . . . . . . . . . . . 23 1 ∈ ℚ
5554ne0ii 4296 . . . . . . . . . . . . . . . . . . . . . 22 ℚ ≠ ∅
5655a1i 11 . . . . . . . . . . . . . . . . . . . . 21 ((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑣 = ∅) → ℚ ≠ ∅)
5751, 56eqnetrd 2999 . . . . . . . . . . . . . . . . . . . 20 ((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑣 = ∅) → (𝑣‘0) ≠ ∅)
5857neneqd 2937 . . . . . . . . . . . . . . . . . . 19 ((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑣 = ∅) → ¬ (𝑣‘0) = ∅)
5950, 58pm2.65da 816 . . . . . . . . . . . . . . . . . 18 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ¬ 𝑣 = ∅)
6059neqned 2939 . . . . . . . . . . . . . . . . 17 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → 𝑣 ≠ ∅)
6142, 60hashne0 32890 . . . . . . . . . . . . . . . 16 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → 0 < (♯‘𝑣))
6239, 40, 41, 42, 10, 44, 45, 61fldext2chn 33885 . . . . . . . . . . . . . . 15 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ((ℂflds (lastS‘𝑣))/FldExt(ℂflds ℚ) ∧ ∃𝑝 ∈ ℕ0 ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)))
6362simpld 494 . . . . . . . . . . . . . 14 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℂflds (lastS‘𝑣))/FldExt(ℂflds ℚ))
64 fldextfld1 33804 . . . . . . . . . . . . . 14 ((ℂflds (lastS‘𝑣))/FldExt(ℂflds ℚ) → (ℂflds (lastS‘𝑣)) ∈ Field)
6563, 64syl 17 . . . . . . . . . . . . 13 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℂflds (lastS‘𝑣)) ∈ Field)
6642chnwrd 18531 . . . . . . . . . . . . . . 15 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → 𝑣 ∈ Word (SubDRing‘ℂfld))
67 lswcl 14491 . . . . . . . . . . . . . . 15 ((𝑣 ∈ Word (SubDRing‘ℂfld) ∧ 𝑣 ≠ ∅) → (lastS‘𝑣) ∈ (SubDRing‘ℂfld))
6866, 60, 67syl2anc 584 . . . . . . . . . . . . . 14 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (lastS‘𝑣) ∈ (SubDRing‘ℂfld))
6911a1i 11 . . . . . . . . . . . . . . 15 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ℂfld ∈ DivRing)
70 qsscn 12873 . . . . . . . . . . . . . . . . . 18 ℚ ⊆ ℂ
7170a1i 11 . . . . . . . . . . . . . . . . 17 (((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) → ℚ ⊆ ℂ)
7271, 23unssd 4144 . . . . . . . . . . . . . . . 16 (((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) → (ℚ ∪ {𝐴}) ⊆ ℂ)
7372ad2antrr 726 . . . . . . . . . . . . . . 15 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℚ ∪ {𝐴}) ⊆ ℂ)
746, 69, 73fldgensdrg 33396 . . . . . . . . . . . . . 14 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℂfld fldGen (ℚ ∪ {𝐴})) ∈ (SubDRing‘ℂfld))
757qrngbas 27586 . . . . . . . . . . . . . . . . . . 19 ℚ = (Base‘(ℂflds ℚ))
7675, 63fldextsdrg 33811 . . . . . . . . . . . . . . . . . 18 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ℚ ∈ (SubDRing‘(ℂflds (lastS‘𝑣))))
7738sdrgss 20726 . . . . . . . . . . . . . . . . . 18 (ℚ ∈ (SubDRing‘(ℂflds (lastS‘𝑣))) → ℚ ⊆ (Base‘(ℂflds (lastS‘𝑣))))
7876, 77syl 17 . . . . . . . . . . . . . . . . 17 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ℚ ⊆ (Base‘(ℂflds (lastS‘𝑣))))
796sdrgss 20726 . . . . . . . . . . . . . . . . . . 19 ((lastS‘𝑣) ∈ (SubDRing‘ℂfld) → (lastS‘𝑣) ⊆ ℂ)
8068, 79syl 17 . . . . . . . . . . . . . . . . . 18 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (lastS‘𝑣) ⊆ ℂ)
81 eqid 2736 . . . . . . . . . . . . . . . . . . 19 (ℂflds (lastS‘𝑣)) = (ℂflds (lastS‘𝑣))
8281, 6ressbas2 17165 . . . . . . . . . . . . . . . . . 18 ((lastS‘𝑣) ⊆ ℂ → (lastS‘𝑣) = (Base‘(ℂflds (lastS‘𝑣))))
8380, 82syl 17 . . . . . . . . . . . . . . . . 17 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (lastS‘𝑣) = (Base‘(ℂflds (lastS‘𝑣))))
8478, 83sseqtrrd 3971 . . . . . . . . . . . . . . . 16 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ℚ ⊆ (lastS‘𝑣))
85 simprr 772 . . . . . . . . . . . . . . . . . 18 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (𝐶𝑚) ⊆ (lastS‘𝑣))
86 simpllr 775 . . . . . . . . . . . . . . . . . 18 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → 𝐴 ∈ (𝐶𝑚))
8785, 86sseldd 3934 . . . . . . . . . . . . . . . . 17 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → 𝐴 ∈ (lastS‘𝑣))
8887snssd 4765 . . . . . . . . . . . . . . . 16 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → {𝐴} ⊆ (lastS‘𝑣))
8984, 88unssd 4144 . . . . . . . . . . . . . . 15 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℚ ∪ {𝐴}) ⊆ (lastS‘𝑣))
906, 69, 68, 89fldgenssp 33400 . . . . . . . . . . . . . 14 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℂfld fldGen (ℚ ∪ {𝐴})) ⊆ (lastS‘𝑣))
91 id 22 . . . . . . . . . . . . . . . 16 ((lastS‘𝑣) ∈ (SubDRing‘ℂfld) → (lastS‘𝑣) ∈ (SubDRing‘ℂfld))
9281, 91subsdrg 33380 . . . . . . . . . . . . . . 15 ((lastS‘𝑣) ∈ (SubDRing‘ℂfld) → ((ℂfld fldGen (ℚ ∪ {𝐴})) ∈ (SubDRing‘(ℂflds (lastS‘𝑣))) ↔ ((ℂfld fldGen (ℚ ∪ {𝐴})) ∈ (SubDRing‘ℂfld) ∧ (ℂfld fldGen (ℚ ∪ {𝐴})) ⊆ (lastS‘𝑣))))
9392biimpar 477 . . . . . . . . . . . . . 14 (((lastS‘𝑣) ∈ (SubDRing‘ℂfld) ∧ ((ℂfld fldGen (ℚ ∪ {𝐴})) ∈ (SubDRing‘ℂfld) ∧ (ℂfld fldGen (ℚ ∪ {𝐴})) ⊆ (lastS‘𝑣))) → (ℂfld fldGen (ℚ ∪ {𝐴})) ∈ (SubDRing‘(ℂflds (lastS‘𝑣))))
9468, 74, 90, 93syl12anc 836 . . . . . . . . . . . . 13 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℂfld fldGen (ℚ ∪ {𝐴})) ∈ (SubDRing‘(ℂflds (lastS‘𝑣))))
9538, 65, 94sdrgfldext 33807 . . . . . . . . . . . 12 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℂflds (lastS‘𝑣))/FldExt((ℂflds (lastS‘𝑣)) ↾s (ℂfld fldGen (ℚ ∪ {𝐴}))))
9668elexd 3464 . . . . . . . . . . . . 13 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (lastS‘𝑣) ∈ V)
97 ressabs 17175 . . . . . . . . . . . . 13 (((lastS‘𝑣) ∈ V ∧ (ℂfld fldGen (ℚ ∪ {𝐴})) ⊆ (lastS‘𝑣)) → ((ℂflds (lastS‘𝑣)) ↾s (ℂfld fldGen (ℚ ∪ {𝐴}))) = (ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))))
9896, 90, 97syl2anc 584 . . . . . . . . . . . 12 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ((ℂflds (lastS‘𝑣)) ↾s (ℂfld fldGen (ℚ ∪ {𝐴}))) = (ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))))
9995, 98breqtrd 5124 . . . . . . . . . . 11 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → (ℂflds (lastS‘𝑣))/FldExt(ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))))
10099ad2antrr 726 . . . . . . . . . 10 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → (ℂflds (lastS‘𝑣))/FldExt(ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))))
101 extdgcl 33813 . . . . . . . . . 10 ((ℂflds (lastS‘𝑣))/FldExt(ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))) → ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℕ0*)
102100, 101syl 17 . . . . . . . . 9 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℕ0*)
103 xnn0xr 12479 . . . . . . . . 9 (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℕ0* → ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℝ*)
104102, 103syl 17 . . . . . . . 8 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℝ*)
105 extdggt0 33814 . . . . . . . . 9 ((ℂflds (lastS‘𝑣))/FldExt(ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))) → 0 < ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))))
106100, 105syl 17 . . . . . . . 8 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → 0 < ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))))
107 extdgmul 33820 . . . . . . . . . . 11 (((ℂflds (lastS‘𝑣))/FldExt(ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))) ∧ (ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))/FldExt(ℂflds ℚ)) → ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ·e ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))))
10899, 25, 107syl2anc 584 . . . . . . . . . 10 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ·e ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))))
109108ad2antrr 726 . . . . . . . . 9 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ·e ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))))
110 xmulcom 13181 . . . . . . . . . 10 ((((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℝ* ∧ ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℝ*) → (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ·e ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))) = (((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ·e ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))))))
111104, 37, 110syl2anc 584 . . . . . . . . 9 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ·e ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))) = (((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ·e ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))))))
112109, 111eqtrd 2771 . . . . . . . 8 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ·e ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴}))))))
11335, 37, 104, 106, 112rexmul2 32834 . . . . . . 7 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℝ)
114 extdggt0 33814 . . . . . . . 8 ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))/FldExt(ℂflds ℚ) → 0 < ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)))
11526, 114syl 17 . . . . . . 7 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → 0 < ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)))
11628, 113, 115xnn0nnd 32853 . . . . . 6 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℕ)
1175, 116eqeltrid 2840 . . . . 5 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → (𝐿[:]𝑄) ∈ ℕ)
11835, 104, 37, 115, 109rexmul2 32834 . . . . . . . . 9 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℝ)
119102, 118xnn0nn0d 32852 . . . . . . . 8 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℕ0)
120119nn0zd 12513 . . . . . . 7 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℤ)
121116nnnn0d 12462 . . . . . . . 8 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℕ0)
122121nn0zd 12513 . . . . . . 7 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℤ)
123 rexmul 13186 . . . . . . . . . . 11 ((((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℝ ∧ ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℝ) → (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ·e ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))) = (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) · ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))))
124118, 113, 123syl2anc 584 . . . . . . . . . 10 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ·e ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))) = (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) · ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))))
125109, 124eqtrd 2771 . . . . . . . . 9 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) · ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))))
126125eqcomd 2742 . . . . . . . 8 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) · ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))) = ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)))
127126, 29eqtrd 2771 . . . . . . 7 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) · ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))) = (2↑𝑝))
128 dvds0lem 16193 . . . . . . 7 (((((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) ∈ ℤ ∧ ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∈ ℤ ∧ (2↑𝑝) ∈ ℤ) ∧ (((ℂflds (lastS‘𝑣))[:](ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))) · ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ))) = (2↑𝑝)) → ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∥ (2↑𝑝))
129120, 122, 33, 127, 128syl31anc 1375 . . . . . 6 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ((ℂflds (ℂfld fldGen (ℚ ∪ {𝐴})))[:](ℂflds ℚ)) ∥ (2↑𝑝))
1305, 129eqbrtrid 5133 . . . . 5 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → (𝐿[:]𝑄) ∥ (2↑𝑝))
131 dvdsprmpweq 16812 . . . . . 6 ((2 ∈ ℙ ∧ (𝐿[:]𝑄) ∈ ℕ ∧ 𝑝 ∈ ℕ0) → ((𝐿[:]𝑄) ∥ (2↑𝑝) → ∃𝑛 ∈ ℕ0 (𝐿[:]𝑄) = (2↑𝑛)))
132131imp 406 . . . . 5 (((2 ∈ ℙ ∧ (𝐿[:]𝑄) ∈ ℕ ∧ 𝑝 ∈ ℕ0) ∧ (𝐿[:]𝑄) ∥ (2↑𝑝)) → ∃𝑛 ∈ ℕ0 (𝐿[:]𝑄) = (2↑𝑛))
1332, 117, 32, 130, 132syl31anc 1375 . . . 4 (((((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) ∧ 𝑝 ∈ ℕ0) ∧ ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝)) → ∃𝑛 ∈ ℕ0 (𝐿[:]𝑄) = (2↑𝑛))
13462simprd 495 . . . 4 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ∃𝑝 ∈ ℕ0 ((ℂflds (lastS‘𝑣))[:](ℂflds ℚ)) = (2↑𝑝))
135133, 134r19.29a 3144 . . 3 (((((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) ∧ 𝑣 ∈ ( < Chain (SubDRing‘ℂfld))) ∧ ((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣))) → ∃𝑛 ∈ ℕ0 (𝐿[:]𝑄) = (2↑𝑛))
136 simplr 768 . . . 4 (((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) → 𝑚 ∈ ω)
13718, 39, 40, 41, 136constrextdg2 33906 . . 3 (((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) → ∃𝑣 ∈ ( < Chain (SubDRing‘ℂfld))((𝑣‘0) = ℚ ∧ (𝐶𝑚) ⊆ (lastS‘𝑣)))
138135, 137r19.29a 3144 . 2 (((𝜑𝑚 ∈ ω) ∧ 𝐴 ∈ (𝐶𝑚)) → ∃𝑛 ∈ ℕ0 (𝐿[:]𝑄) = (2↑𝑛))
139 constrext2chnlem.a . . 3 (𝜑𝐴 ∈ Constr)
14018isconstr 33893 . . 3 (𝐴 ∈ Constr ↔ ∃𝑚 ∈ ω 𝐴 ∈ (𝐶𝑚))
141139, 140sylib 218 . 2 (𝜑 → ∃𝑚 ∈ ω 𝐴 ∈ (𝐶𝑚))
142138, 141r19.29a 3144 1 (𝜑 → ∃𝑛 ∈ ℕ0 (𝐿[:]𝑄) = (2↑𝑛))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  w3o 1085  w3a 1086   = wceq 1541  wcel 2113  wne 2932  wrex 3060  {crab 3399  Vcvv 3440  cun 3899  wss 3901  c0 4285  {csn 4580  {cpr 4582   class class class wbr 5098  {copab 5160  cmpt 5179  Oncon0 6317  cfv 6492  (class class class)co 7358  ωcom 7808  reccrdg 8340  cc 11024  cr 11025  0cc0 11026  1c1 11027   + caddc 11029   · cmul 11031  *cxr 11165   < clt 11166  cmin 11364  cn 12145  2c2 12200  0cn0 12401  0*cxnn0 12474  cz 12488  cq 12861   ·e cxmu 13025  cexp 13984  Word cword 14436  lastSclsw 14485  ccj 15019  cim 15021  abscabs 15157  cdvds 16179  cprime 16598  Basecbs 17136  s cress 17157   Chain cchn 18528  SubRingcsubrg 20502  DivRingcdr 20662  Fieldcfield 20663  SubDRingcsdrg 20719  fldccnfld 21309   fldGen cfldgen 33392  /FldExtcfldext 33795  [:]cextdg 33797  Constrcconstr 33886
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2184  ax-ext 2708  ax-rep 5224  ax-sep 5241  ax-nul 5251  ax-pow 5310  ax-pr 5377  ax-un 7680  ax-reg 9497  ax-inf2 9550  ax-ac2 10373  ax-cnex 11082  ax-resscn 11083  ax-1cn 11084  ax-icn 11085  ax-addcl 11086  ax-addrcl 11087  ax-mulcl 11088  ax-mulrcl 11089  ax-mulcom 11090  ax-addass 11091  ax-mulass 11092  ax-distr 11093  ax-i2m1 11094  ax-1ne0 11095  ax-1rid 11096  ax-rnegex 11097  ax-rrecex 11098  ax-cnre 11099  ax-pre-lttri 11100  ax-pre-lttrn 11101  ax-pre-ltadd 11102  ax-pre-mulgt0 11103  ax-pre-sup 11104  ax-addf 11105  ax-mulf 11106
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-nel 3037  df-ral 3052  df-rex 3061  df-rmo 3350  df-reu 3351  df-rab 3400  df-v 3442  df-sbc 3741  df-csb 3850  df-dif 3904  df-un 3906  df-in 3908  df-ss 3918  df-pss 3921  df-nul 4286  df-if 4480  df-pw 4556  df-sn 4581  df-pr 4583  df-tp 4585  df-op 4587  df-uni 4864  df-int 4903  df-iun 4948  df-iin 4949  df-br 5099  df-opab 5161  df-mpt 5180  df-tr 5206  df-id 5519  df-eprel 5524  df-po 5532  df-so 5533  df-fr 5577  df-se 5578  df-we 5579  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-pred 6259  df-ord 6320  df-on 6321  df-lim 6322  df-suc 6323  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-fo 6498  df-f1o 6499  df-fv 6500  df-isom 6501  df-riota 7315  df-ov 7361  df-oprab 7362  df-mpo 7363  df-of 7622  df-ofr 7623  df-rpss 7668  df-om 7809  df-1st 7933  df-2nd 7934  df-supp 8103  df-tpos 8168  df-frecs 8223  df-wrecs 8254  df-recs 8303  df-rdg 8341  df-1o 8397  df-2o 8398  df-oadd 8401  df-er 8635  df-ec 8637  df-qs 8641  df-map 8765  df-pm 8766  df-ixp 8836  df-en 8884  df-dom 8885  df-sdom 8886  df-fin 8887  df-fsupp 9265  df-sup 9345  df-inf 9346  df-oi 9415  df-r1 9676  df-rank 9677  df-dju 9813  df-card 9851  df-acn 9854  df-ac 10026  df-pnf 11168  df-mnf 11169  df-xr 11170  df-ltxr 11171  df-le 11172  df-sub 11366  df-neg 11367  df-div 11795  df-nn 12146  df-2 12208  df-3 12209  df-4 12210  df-5 12211  df-6 12212  df-7 12213  df-8 12214  df-9 12215  df-n0 12402  df-xnn0 12475  df-z 12489  df-dec 12608  df-uz 12752  df-q 12862  df-rp 12906  df-xneg 13026  df-xmul 13028  df-ico 13267  df-fz 13424  df-fzo 13571  df-fl 13712  df-mod 13790  df-seq 13925  df-exp 13985  df-hash 14254  df-word 14437  df-lsw 14486  df-concat 14494  df-s1 14520  df-substr 14565  df-pfx 14595  df-cj 15022  df-re 15023  df-im 15024  df-sqrt 15158  df-abs 15159  df-dvds 16180  df-gcd 16422  df-prm 16599  df-pc 16765  df-struct 17074  df-sets 17091  df-slot 17109  df-ndx 17121  df-base 17137  df-ress 17158  df-plusg 17190  df-mulr 17191  df-starv 17192  df-sca 17193  df-vsca 17194  df-ip 17195  df-tset 17196  df-ple 17197  df-ocomp 17198  df-ds 17199  df-unif 17200  df-hom 17201  df-cco 17202  df-0g 17361  df-gsum 17362  df-prds 17367  df-pws 17369  df-imas 17429  df-qus 17430  df-mre 17505  df-mrc 17506  df-mri 17507  df-acs 17508  df-proset 18217  df-drs 18218  df-poset 18236  df-ipo 18451  df-chn 18529  df-mgm 18565  df-sgrp 18644  df-mnd 18660  df-mhm 18708  df-submnd 18709  df-grp 18866  df-minusg 18867  df-sbg 18868  df-mulg 18998  df-subg 19053  df-nsg 19054  df-eqg 19055  df-ghm 19142  df-gim 19188  df-cntz 19246  df-oppg 19275  df-lsm 19565  df-cmn 19711  df-abl 19712  df-mgp 20076  df-rng 20088  df-ur 20117  df-srg 20122  df-ring 20170  df-cring 20171  df-oppr 20273  df-dvdsr 20293  df-unit 20294  df-irred 20295  df-invr 20324  df-dvr 20337  df-rhm 20408  df-nzr 20446  df-subrng 20479  df-subrg 20503  df-rlreg 20627  df-domn 20628  df-idom 20629  df-drng 20664  df-field 20665  df-sdrg 20720  df-lmod 20813  df-lss 20883  df-lsp 20923  df-lmhm 20974  df-lmim 20975  df-lmic 20976  df-lbs 21027  df-lvec 21055  df-sra 21125  df-rgmod 21126  df-lidl 21163  df-rsp 21164  df-2idl 21205  df-lpidl 21277  df-lpir 21278  df-pid 21292  df-cnfld 21310  df-dsmm 21687  df-frlm 21702  df-uvc 21738  df-lindf 21761  df-linds 21762  df-assa 21808  df-asp 21809  df-ascl 21810  df-psr 21865  df-mvr 21866  df-mpl 21867  df-opsr 21869  df-evls 22029  df-evl 22030  df-psr1 22120  df-vr1 22121  df-ply1 22122  df-coe1 22123  df-evls1 22259  df-evl1 22260  df-mdeg 26016  df-deg1 26017  df-mon1 26092  df-uc1p 26093  df-q1p 26094  df-r1p 26095  df-ig1p 26096  df-fldgen 33393  df-mxidl 33541  df-dim 33756  df-fldext 33798  df-extdg 33799  df-irng 33841  df-minply 33857  df-constr 33887
This theorem is referenced by:  constrext2chn  33916
  Copyright terms: Public domain W3C validator