Users' Mathboxes Mathbox for Thierry Arnoux < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  cos9thpiminply Structured version   Visualization version   GIF version

Theorem cos9thpiminply 33952
Description: The polynomial ((𝑋↑3) + ((-3 · 𝑋) + 1)) is the minimal polynomial for 𝐴 over , and its degree is 3. (Contributed by Thierry Arnoux, 14-Nov-2025.)
Hypotheses
Ref Expression
cos9thpiminplylem3.1 𝑂 = (exp‘((i · (2 · π)) / 3))
cos9thpiminplylem4.2 𝑍 = (𝑂𝑐(1 / 3))
cos9thpiminplylem5.3 𝐴 = (𝑍 + (1 / 𝑍))
cos9thpiminply.q 𝑄 = (ℂflds ℚ)
cos9thpiminply.4 + = (+g𝑃)
cos9thpiminply.5 · = (.r𝑃)
cos9thpiminply.6 = (.g‘(mulGrp‘𝑃))
cos9thpiminply.p 𝑃 = (Poly1𝑄)
cos9thpiminply.k 𝐾 = (algSc‘𝑃)
cos9thpiminply.x 𝑋 = (var1𝑄)
cos9thpiminply.d 𝐷 = (deg1𝑄)
cos9thpiminply.f 𝐹 = ((3 𝑋) + (((𝐾‘-3) · 𝑋) + (𝐾‘1)))
cos9thpiminply.m 𝑀 = (ℂfld minPoly ℚ)
Assertion
Ref Expression
cos9thpiminply (𝐹 = (𝑀𝐴) ∧ (𝐷𝐹) = 3)

Proof of Theorem cos9thpiminply
Dummy variables 𝑖 𝑥 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2737 . . . 4 (ℂfld evalSub1 ℚ) = (ℂfld evalSub1 ℚ)
2 cos9thpiminply.p . . . . 5 𝑃 = (Poly1𝑄)
3 cos9thpiminply.q . . . . . 6 𝑄 = (ℂflds ℚ)
43fveq2i 6839 . . . . 5 (Poly1𝑄) = (Poly1‘(ℂflds ℚ))
52, 4eqtri 2760 . . . 4 𝑃 = (Poly1‘(ℂflds ℚ))
6 cnfldbas 21352 . . . 4 ℂ = (Base‘ℂfld)
7 cnfldfld 33421 . . . . 5 fld ∈ Field
87a1i 11 . . . 4 (⊤ → ℂfld ∈ Field)
9 cndrng 21392 . . . . . 6 fld ∈ DivRing
10 qsubdrg 21413 . . . . . . 7 (ℚ ∈ (SubRing‘ℂfld) ∧ (ℂflds ℚ) ∈ DivRing)
1110simpli 483 . . . . . 6 ℚ ∈ (SubRing‘ℂfld)
1210simpri 485 . . . . . 6 (ℂflds ℚ) ∈ DivRing
13 issdrg 20760 . . . . . 6 (ℚ ∈ (SubDRing‘ℂfld) ↔ (ℂfld ∈ DivRing ∧ ℚ ∈ (SubRing‘ℂfld) ∧ (ℂflds ℚ) ∈ DivRing))
149, 11, 12, 13mpbir3an 1343 . . . . 5 ℚ ∈ (SubDRing‘ℂfld)
1514a1i 11 . . . 4 (⊤ → ℚ ∈ (SubDRing‘ℂfld))
16 cos9thpiminplylem5.3 . . . . 5 𝐴 = (𝑍 + (1 / 𝑍))
17 cos9thpiminplylem4.2 . . . . . . 7 𝑍 = (𝑂𝑐(1 / 3))
18 cos9thpiminplylem3.1 . . . . . . . . 9 𝑂 = (exp‘((i · (2 · π)) / 3))
19 ax-icn 11092 . . . . . . . . . . . . 13 i ∈ ℂ
2019a1i 11 . . . . . . . . . . . 12 (⊤ → i ∈ ℂ)
21 2cnd 12254 . . . . . . . . . . . . 13 (⊤ → 2 ∈ ℂ)
22 picn 26439 . . . . . . . . . . . . . 14 π ∈ ℂ
2322a1i 11 . . . . . . . . . . . . 13 (⊤ → π ∈ ℂ)
2421, 23mulcld 11160 . . . . . . . . . . . 12 (⊤ → (2 · π) ∈ ℂ)
2520, 24mulcld 11160 . . . . . . . . . . 11 (⊤ → (i · (2 · π)) ∈ ℂ)
26 3cn 12257 . . . . . . . . . . . 12 3 ∈ ℂ
2726a1i 11 . . . . . . . . . . 11 (⊤ → 3 ∈ ℂ)
28 3ne0 12282 . . . . . . . . . . . 12 3 ≠ 0
2928a1i 11 . . . . . . . . . . 11 (⊤ → 3 ≠ 0)
3025, 27, 29divcld 11926 . . . . . . . . . 10 (⊤ → ((i · (2 · π)) / 3) ∈ ℂ)
3130efcld 16043 . . . . . . . . 9 (⊤ → (exp‘((i · (2 · π)) / 3)) ∈ ℂ)
3218, 31eqeltrid 2841 . . . . . . . 8 (⊤ → 𝑂 ∈ ℂ)
3327, 29reccld 11919 . . . . . . . 8 (⊤ → (1 / 3) ∈ ℂ)
3432, 33cxpcld 26689 . . . . . . 7 (⊤ → (𝑂𝑐(1 / 3)) ∈ ℂ)
3517, 34eqeltrid 2841 . . . . . 6 (⊤ → 𝑍 ∈ ℂ)
3617a1i 11 . . . . . . . 8 (⊤ → 𝑍 = (𝑂𝑐(1 / 3)))
3718a1i 11 . . . . . . . . . 10 (⊤ → 𝑂 = (exp‘((i · (2 · π)) / 3)))
3830efne0d 16057 . . . . . . . . . 10 (⊤ → (exp‘((i · (2 · π)) / 3)) ≠ 0)
3937, 38eqnetrd 3000 . . . . . . . . 9 (⊤ → 𝑂 ≠ 0)
4032, 39, 33cxpne0d 26694 . . . . . . . 8 (⊤ → (𝑂𝑐(1 / 3)) ≠ 0)
4136, 40eqnetrd 3000 . . . . . . 7 (⊤ → 𝑍 ≠ 0)
4235, 41reccld 11919 . . . . . 6 (⊤ → (1 / 𝑍) ∈ ℂ)
4335, 42addcld 11159 . . . . 5 (⊤ → (𝑍 + (1 / 𝑍)) ∈ ℂ)
4416, 43eqeltrid 2841 . . . 4 (⊤ → 𝐴 ∈ ℂ)
45 cnfld0 21386 . . . 4 0 = (0g‘ℂfld)
46 cos9thpiminply.m . . . 4 𝑀 = (ℂfld minPoly ℚ)
47 eqid 2737 . . . 4 (0g𝑃) = (0g𝑃)
48 cos9thpiminply.4 . . . . . 6 + = (+g𝑃)
49 cos9thpiminply.5 . . . . . 6 · = (.r𝑃)
50 cos9thpiminply.6 . . . . . 6 = (.g‘(mulGrp‘𝑃))
51 cos9thpiminply.k . . . . . 6 𝐾 = (algSc‘𝑃)
52 cos9thpiminply.x . . . . . 6 𝑋 = (var1𝑄)
53 cos9thpiminply.d . . . . . 6 𝐷 = (deg1𝑄)
54 cos9thpiminply.f . . . . . 6 𝐹 = ((3 𝑋) + (((𝐾‘-3) · 𝑋) + (𝐾‘1)))
5518, 17, 16, 3, 48, 49, 50, 2, 51, 52, 53, 54, 44cos9thpiminplylem6 33951 . . . . 5 (⊤ → (((ℂfld evalSub1 ℚ)‘𝐹)‘𝐴) = ((𝐴↑3) + ((-3 · 𝐴) + 1)))
5618, 17, 16cos9thpiminplylem5 33950 . . . . 5 ((𝐴↑3) + ((-3 · 𝐴) + 1)) = 0
5755, 56eqtrdi 2788 . . . 4 (⊤ → (((ℂfld evalSub1 ℚ)‘𝐹)‘𝐴) = 0)
583qrng0 27602 . . . . 5 0 = (0g𝑄)
59 eqid 2737 . . . . 5 (eval1𝑄) = (eval1𝑄)
60 eqid 2737 . . . . 5 (Base‘𝑃) = (Base‘𝑃)
613qfld 33377 . . . . . 6 𝑄 ∈ Field
6261a1i 11 . . . . 5 (⊤ → 𝑄 ∈ Field)
633qdrng 27601 . . . . . . . . . . 11 𝑄 ∈ DivRing
6463a1i 11 . . . . . . . . . 10 (⊤ → 𝑄 ∈ DivRing)
6564drngringd 20709 . . . . . . . . 9 (⊤ → 𝑄 ∈ Ring)
662ply1ring 22225 . . . . . . . . 9 (𝑄 ∈ Ring → 𝑃 ∈ Ring)
6765, 66syl 17 . . . . . . . 8 (⊤ → 𝑃 ∈ Ring)
6867ringgrpd 20218 . . . . . . 7 (⊤ → 𝑃 ∈ Grp)
69 eqid 2737 . . . . . . . . 9 (mulGrp‘𝑃) = (mulGrp‘𝑃)
7069, 60mgpbas 20121 . . . . . . . 8 (Base‘𝑃) = (Base‘(mulGrp‘𝑃))
7169ringmgp 20215 . . . . . . . . 9 (𝑃 ∈ Ring → (mulGrp‘𝑃) ∈ Mnd)
7267, 71syl 17 . . . . . . . 8 (⊤ → (mulGrp‘𝑃) ∈ Mnd)
73 3nn0 12450 . . . . . . . . 9 3 ∈ ℕ0
7473a1i 11 . . . . . . . 8 (⊤ → 3 ∈ ℕ0)
7552, 2, 60vr1cl 22195 . . . . . . . . 9 (𝑄 ∈ Ring → 𝑋 ∈ (Base‘𝑃))
7665, 75syl 17 . . . . . . . 8 (⊤ → 𝑋 ∈ (Base‘𝑃))
7770, 50, 72, 74, 76mulgnn0cld 19066 . . . . . . 7 (⊤ → (3 𝑋) ∈ (Base‘𝑃))
782ply1sca 22230 . . . . . . . . . . . 12 (𝑄 ∈ DivRing → 𝑄 = (Scalar‘𝑃))
7963, 78ax-mp 5 . . . . . . . . . . 11 𝑄 = (Scalar‘𝑃)
802ply1lmod 22229 . . . . . . . . . . . 12 (𝑄 ∈ Ring → 𝑃 ∈ LMod)
8165, 80syl 17 . . . . . . . . . . 11 (⊤ → 𝑃 ∈ LMod)
823qrngbas 27600 . . . . . . . . . . 11 ℚ = (Base‘𝑄)
8351, 79, 67, 81, 82, 60asclf 21875 . . . . . . . . . 10 (⊤ → 𝐾:ℚ⟶(Base‘𝑃))
8474nn0zd 12544 . . . . . . . . . . 11 (⊤ → 3 ∈ ℤ)
85 zq 12899 . . . . . . . . . . 11 (3 ∈ ℤ → 3 ∈ ℚ)
86 qnegcl 12911 . . . . . . . . . . 11 (3 ∈ ℚ → -3 ∈ ℚ)
8784, 85, 863syl 18 . . . . . . . . . 10 (⊤ → -3 ∈ ℚ)
8883, 87ffvelcdmd 7033 . . . . . . . . 9 (⊤ → (𝐾‘-3) ∈ (Base‘𝑃))
8960, 49, 67, 88, 76ringcld 20236 . . . . . . . 8 (⊤ → ((𝐾‘-3) · 𝑋) ∈ (Base‘𝑃))
90 1zzd 12553 . . . . . . . . . 10 (⊤ → 1 ∈ ℤ)
91 zq 12899 . . . . . . . . . 10 (1 ∈ ℤ → 1 ∈ ℚ)
9290, 91syl 17 . . . . . . . . 9 (⊤ → 1 ∈ ℚ)
9383, 92ffvelcdmd 7033 . . . . . . . 8 (⊤ → (𝐾‘1) ∈ (Base‘𝑃))
9460, 48, 68, 89, 93grpcld 18918 . . . . . . 7 (⊤ → (((𝐾‘-3) · 𝑋) + (𝐾‘1)) ∈ (Base‘𝑃))
9560, 48, 68, 77, 94grpcld 18918 . . . . . 6 (⊤ → ((3 𝑋) + (((𝐾‘-3) · 𝑋) + (𝐾‘1))) ∈ (Base‘𝑃))
9654, 95eqeltrid 2841 . . . . 5 (⊤ → 𝐹 ∈ (Base‘𝑃))
9762fldcrngd 20714 . . . . . . . . 9 (⊤ → 𝑄 ∈ CRing)
9859, 2, 60, 97, 82, 96evl1fvf 33642 . . . . . . . 8 (⊤ → ((eval1𝑄)‘𝐹):ℚ⟶ℚ)
9998ffnd 6665 . . . . . . 7 (⊤ → ((eval1𝑄)‘𝐹) Fn ℚ)
100 fniniseg2 7010 . . . . . . 7 (((eval1𝑄)‘𝐹) Fn ℚ → (((eval1𝑄)‘𝐹) “ {0}) = {𝑥 ∈ ℚ ∣ (((eval1𝑄)‘𝐹)‘𝑥) = 0})
10199, 100syl 17 . . . . . 6 (⊤ → (((eval1𝑄)‘𝐹) “ {0}) = {𝑥 ∈ ℚ ∣ (((eval1𝑄)‘𝐹)‘𝑥) = 0})
10259, 82evl1fval1 22310 . . . . . . . . . . . . . . 15 (eval1𝑄) = (𝑄 evalSub1 ℚ)
103102a1i 11 . . . . . . . . . . . . . 14 (𝑥 ∈ ℚ → (eval1𝑄) = (𝑄 evalSub1 ℚ))
104103fveq1d 6838 . . . . . . . . . . . . 13 (𝑥 ∈ ℚ → ((eval1𝑄)‘𝐹) = ((𝑄 evalSub1 ℚ)‘𝐹))
105104fveq1d 6838 . . . . . . . . . . . 12 (𝑥 ∈ ℚ → (((eval1𝑄)‘𝐹)‘𝑥) = (((𝑄 evalSub1 ℚ)‘𝐹)‘𝑥))
106 eqid 2737 . . . . . . . . . . . . . . 15 (𝑄 evalSub1 ℚ) = (𝑄 evalSub1 ℚ)
107 cncrng 21382 . . . . . . . . . . . . . . . 16 fld ∈ CRing
108107a1i 11 . . . . . . . . . . . . . . 15 (𝑥 ∈ ℚ → ℂfld ∈ CRing)
10911a1i 11 . . . . . . . . . . . . . . 15 (𝑥 ∈ ℚ → ℚ ∈ (SubRing‘ℂfld))
11097mptru 1549 . . . . . . . . . . . . . . . . . 18 𝑄 ∈ CRing
111110a1i 11 . . . . . . . . . . . . . . . . 17 (𝑥 ∈ ℚ → 𝑄 ∈ CRing)
112111crngringd 20222 . . . . . . . . . . . . . . . 16 (𝑥 ∈ ℚ → 𝑄 ∈ Ring)
11382subrgid 20545 . . . . . . . . . . . . . . . 16 (𝑄 ∈ Ring → ℚ ∈ (SubRing‘𝑄))
114112, 113syl 17 . . . . . . . . . . . . . . 15 (𝑥 ∈ ℚ → ℚ ∈ (SubRing‘𝑄))
11596mptru 1549 . . . . . . . . . . . . . . . 16 𝐹 ∈ (Base‘𝑃)
116115a1i 11 . . . . . . . . . . . . . . 15 (𝑥 ∈ ℚ → 𝐹 ∈ (Base‘𝑃))
1173, 1, 106, 2, 3, 60, 108, 109, 114, 116ressply1evls1 33644 . . . . . . . . . . . . . 14 (𝑥 ∈ ℚ → ((𝑄 evalSub1 ℚ)‘𝐹) = (((ℂfld evalSub1 ℚ)‘𝐹) ↾ ℚ))
118117fveq1d 6838 . . . . . . . . . . . . 13 (𝑥 ∈ ℚ → (((𝑄 evalSub1 ℚ)‘𝐹)‘𝑥) = ((((ℂfld evalSub1 ℚ)‘𝐹) ↾ ℚ)‘𝑥))
119 fvres 6855 . . . . . . . . . . . . 13 (𝑥 ∈ ℚ → ((((ℂfld evalSub1 ℚ)‘𝐹) ↾ ℚ)‘𝑥) = (((ℂfld evalSub1 ℚ)‘𝐹)‘𝑥))
120118, 119eqtr2d 2773 . . . . . . . . . . . 12 (𝑥 ∈ ℚ → (((ℂfld evalSub1 ℚ)‘𝐹)‘𝑥) = (((𝑄 evalSub1 ℚ)‘𝐹)‘𝑥))
121 qcn 12908 . . . . . . . . . . . . 13 (𝑥 ∈ ℚ → 𝑥 ∈ ℂ)
12218, 17, 16, 3, 48, 49, 50, 2, 51, 52, 53, 54, 121cos9thpiminplylem6 33951 . . . . . . . . . . . 12 (𝑥 ∈ ℚ → (((ℂfld evalSub1 ℚ)‘𝐹)‘𝑥) = ((𝑥↑3) + ((-3 · 𝑥) + 1)))
123105, 120, 1223eqtr2d 2778 . . . . . . . . . . 11 (𝑥 ∈ ℚ → (((eval1𝑄)‘𝐹)‘𝑥) = ((𝑥↑3) + ((-3 · 𝑥) + 1)))
124 id 22 . . . . . . . . . . . 12 (𝑥 ∈ ℚ → 𝑥 ∈ ℚ)
125124cos9thpiminplylem2 33947 . . . . . . . . . . 11 (𝑥 ∈ ℚ → ((𝑥↑3) + ((-3 · 𝑥) + 1)) ≠ 0)
126123, 125eqnetrd 3000 . . . . . . . . . 10 (𝑥 ∈ ℚ → (((eval1𝑄)‘𝐹)‘𝑥) ≠ 0)
127126neneqd 2938 . . . . . . . . 9 (𝑥 ∈ ℚ → ¬ (((eval1𝑄)‘𝐹)‘𝑥) = 0)
128127rgen 3054 . . . . . . . 8 𝑥 ∈ ℚ ¬ (((eval1𝑄)‘𝐹)‘𝑥) = 0
129128a1i 11 . . . . . . 7 (⊤ → ∀𝑥 ∈ ℚ ¬ (((eval1𝑄)‘𝐹)‘𝑥) = 0)
130 rabeq0 4329 . . . . . . 7 ({𝑥 ∈ ℚ ∣ (((eval1𝑄)‘𝐹)‘𝑥) = 0} = ∅ ↔ ∀𝑥 ∈ ℚ ¬ (((eval1𝑄)‘𝐹)‘𝑥) = 0)
131129, 130sylibr 234 . . . . . 6 (⊤ → {𝑥 ∈ ℚ ∣ (((eval1𝑄)‘𝐹)‘𝑥) = 0} = ∅)
132101, 131eqtrd 2772 . . . . 5 (⊤ → (((eval1𝑄)‘𝐹) “ {0}) = ∅)
13354a1i 11 . . . . . . 7 (⊤ → 𝐹 = ((3 𝑋) + (((𝐾‘-3) · 𝑋) + (𝐾‘1))))
134133fveq2d 6840 . . . . . 6 (⊤ → (𝐷𝐹) = (𝐷‘((3 𝑋) + (((𝐾‘-3) · 𝑋) + (𝐾‘1)))))
135 1lt3 12344 . . . . . . . . 9 1 < 3
136135a1i 11 . . . . . . . 8 (⊤ → 1 < 3)
137 0lt1 11667 . . . . . . . . . . . 12 0 < 1
138137a1i 11 . . . . . . . . . . 11 (⊤ → 0 < 1)
139138gt0ne0d 11709 . . . . . . . . . . . 12 (⊤ → 1 ≠ 0)
14053, 2, 82, 51, 58deg1scl 26092 . . . . . . . . . . . 12 ((𝑄 ∈ Ring ∧ 1 ∈ ℚ ∧ 1 ≠ 0) → (𝐷‘(𝐾‘1)) = 0)
14165, 92, 139, 140syl3anc 1374 . . . . . . . . . . 11 (⊤ → (𝐷‘(𝐾‘1)) = 0)
142 drngdomn 20721 . . . . . . . . . . . . . 14 (𝑄 ∈ DivRing → 𝑄 ∈ Domn)
14363, 142mp1i 13 . . . . . . . . . . . . 13 (⊤ → 𝑄 ∈ Domn)
14427, 29negne0d 11498 . . . . . . . . . . . . . 14 (⊤ → -3 ≠ 0)
1452, 51, 58, 47, 82ply1scln0 22270 . . . . . . . . . . . . . 14 ((𝑄 ∈ Ring ∧ -3 ∈ ℚ ∧ -3 ≠ 0) → (𝐾‘-3) ≠ (0g𝑃))
14665, 87, 144, 145syl3anc 1374 . . . . . . . . . . . . 13 (⊤ → (𝐾‘-3) ≠ (0g𝑃))
147107a1i 11 . . . . . . . . . . . . . 14 (⊤ → ℂfld ∈ CRing)
148 drngnzr 20720 . . . . . . . . . . . . . . 15 (ℂfld ∈ DivRing → ℂfld ∈ NzRing)
1499, 148mp1i 13 . . . . . . . . . . . . . 14 (⊤ → ℂfld ∈ NzRing)
15011a1i 11 . . . . . . . . . . . . . 14 (⊤ → ℚ ∈ (SubRing‘ℂfld))
15152, 47, 3, 2, 147, 149, 150vr1nz 33672 . . . . . . . . . . . . 13 (⊤ → 𝑋 ≠ (0g𝑃))
15253, 2, 60, 49, 47, 143, 88, 146, 76, 151deg1mul 26094 . . . . . . . . . . . 12 (⊤ → (𝐷‘((𝐾‘-3) · 𝑋)) = ((𝐷‘(𝐾‘-3)) + (𝐷𝑋)))
15353, 2, 82, 51, 58deg1scl 26092 . . . . . . . . . . . . . 14 ((𝑄 ∈ Ring ∧ -3 ∈ ℚ ∧ -3 ≠ 0) → (𝐷‘(𝐾‘-3)) = 0)
15465, 87, 144, 153syl3anc 1374 . . . . . . . . . . . . 13 (⊤ → (𝐷‘(𝐾‘-3)) = 0)
155 drngnzr 20720 . . . . . . . . . . . . . . 15 (𝑄 ∈ DivRing → 𝑄 ∈ NzRing)
15663, 155mp1i 13 . . . . . . . . . . . . . 14 (⊤ → 𝑄 ∈ NzRing)
15753, 2, 52, 156deg1vr 33671 . . . . . . . . . . . . 13 (⊤ → (𝐷𝑋) = 1)
158154, 157oveq12d 7380 . . . . . . . . . . . 12 (⊤ → ((𝐷‘(𝐾‘-3)) + (𝐷𝑋)) = (0 + 1))
159 1cnd 11134 . . . . . . . . . . . . 13 (⊤ → 1 ∈ ℂ)
160159addlidd 11342 . . . . . . . . . . . 12 (⊤ → (0 + 1) = 1)
161152, 158, 1603eqtrd 2776 . . . . . . . . . . 11 (⊤ → (𝐷‘((𝐾‘-3) · 𝑋)) = 1)
162138, 141, 1613brtr4d 5118 . . . . . . . . . 10 (⊤ → (𝐷‘(𝐾‘1)) < (𝐷‘((𝐾‘-3) · 𝑋)))
1632, 53, 65, 60, 48, 89, 93, 162deg1add 26082 . . . . . . . . 9 (⊤ → (𝐷‘(((𝐾‘-3) · 𝑋) + (𝐾‘1))) = (𝐷‘((𝐾‘-3) · 𝑋)))
164163, 161eqtrd 2772 . . . . . . . 8 (⊤ → (𝐷‘(((𝐾‘-3) · 𝑋) + (𝐾‘1))) = 1)
16553, 2, 52, 69, 50deg1pw 26100 . . . . . . . . 9 ((𝑄 ∈ NzRing ∧ 3 ∈ ℕ0) → (𝐷‘(3 𝑋)) = 3)
166156, 74, 165syl2anc 585 . . . . . . . 8 (⊤ → (𝐷‘(3 𝑋)) = 3)
167136, 164, 1663brtr4d 5118 . . . . . . 7 (⊤ → (𝐷‘(((𝐾‘-3) · 𝑋) + (𝐾‘1))) < (𝐷‘(3 𝑋)))
1682, 53, 65, 60, 48, 77, 94, 167deg1add 26082 . . . . . 6 (⊤ → (𝐷‘((3 𝑋) + (((𝐾‘-3) · 𝑋) + (𝐾‘1)))) = (𝐷‘(3 𝑋)))
169134, 168, 1663eqtrd 2776 . . . . 5 (⊤ → (𝐷𝐹) = 3)
17058, 59, 53, 2, 60, 62, 96, 132, 169ply1dg3rt0irred 33663 . . . 4 (⊤ → 𝐹 ∈ (Irred‘𝑃))
171 eqid 2737 . . . . . . 7 (Irred‘𝑃) = (Irred‘𝑃)
172171, 47irredn0 20398 . . . . . 6 ((𝑃 ∈ Ring ∧ 𝐹 ∈ (Irred‘𝑃)) → 𝐹 ≠ (0g𝑃))
17367, 170, 172syl2anc 585 . . . . 5 (⊤ → 𝐹 ≠ (0g𝑃))
174169fveq2d 6840 . . . . . 6 (⊤ → ((coe1𝐹)‘(𝐷𝐹)) = ((coe1𝐹)‘3))
175133fveq2d 6840 . . . . . . . 8 (⊤ → (coe1𝐹) = (coe1‘((3 𝑋) + (((𝐾‘-3) · 𝑋) + (𝐾‘1)))))
176175fveq1d 6838 . . . . . . 7 (⊤ → ((coe1𝐹)‘3) = ((coe1‘((3 𝑋) + (((𝐾‘-3) · 𝑋) + (𝐾‘1))))‘3))
177 cnfldadd 21354 . . . . . . . . . . 11 + = (+g‘ℂfld)
1783, 177ressplusg 17249 . . . . . . . . . 10 (ℚ ∈ (SubRing‘ℂfld) → + = (+g𝑄))
17911, 178ax-mp 5 . . . . . . . . 9 + = (+g𝑄)
1802, 60, 48, 179coe1addfv 22244 . . . . . . . 8 (((𝑄 ∈ Ring ∧ (3 𝑋) ∈ (Base‘𝑃) ∧ (((𝐾‘-3) · 𝑋) + (𝐾‘1)) ∈ (Base‘𝑃)) ∧ 3 ∈ ℕ0) → ((coe1‘((3 𝑋) + (((𝐾‘-3) · 𝑋) + (𝐾‘1))))‘3) = (((coe1‘(3 𝑋))‘3) + ((coe1‘(((𝐾‘-3) · 𝑋) + (𝐾‘1)))‘3)))
18165, 77, 94, 74, 180syl31anc 1376 . . . . . . 7 (⊤ → ((coe1‘((3 𝑋) + (((𝐾‘-3) · 𝑋) + (𝐾‘1))))‘3) = (((coe1‘(3 𝑋))‘3) + ((coe1‘(((𝐾‘-3) · 𝑋) + (𝐾‘1)))‘3)))
182 iftrue 4473 . . . . . . . . . 10 (𝑖 = 3 → if(𝑖 = 3, 1, 0) = 1)
1833qrng1 27603 . . . . . . . . . . 11 1 = (1r𝑄)
1842, 52, 50, 65, 74, 58, 183coe1mon 33666 . . . . . . . . . 10 (⊤ → (coe1‘(3 𝑋)) = (𝑖 ∈ ℕ0 ↦ if(𝑖 = 3, 1, 0)))
185182, 184, 74, 159fvmptd4 6968 . . . . . . . . 9 (⊤ → ((coe1‘(3 𝑋))‘3) = 1)
1862, 60, 48, 179coe1addfv 22244 . . . . . . . . . . 11 (((𝑄 ∈ Ring ∧ ((𝐾‘-3) · 𝑋) ∈ (Base‘𝑃) ∧ (𝐾‘1) ∈ (Base‘𝑃)) ∧ 3 ∈ ℕ0) → ((coe1‘(((𝐾‘-3) · 𝑋) + (𝐾‘1)))‘3) = (((coe1‘((𝐾‘-3) · 𝑋))‘3) + ((coe1‘(𝐾‘1))‘3)))
18765, 89, 93, 74, 186syl31anc 1376 . . . . . . . . . 10 (⊤ → ((coe1‘(((𝐾‘-3) · 𝑋) + (𝐾‘1)))‘3) = (((coe1‘((𝐾‘-3) · 𝑋))‘3) + ((coe1‘(𝐾‘1))‘3)))
1882ply1assa 22177 . . . . . . . . . . . . . . . . 17 (𝑄 ∈ CRing → 𝑃 ∈ AssAlg)
18997, 188syl 17 . . . . . . . . . . . . . . . 16 (⊤ → 𝑃 ∈ AssAlg)
190 eqid 2737 . . . . . . . . . . . . . . . . 17 ( ·𝑠𝑃) = ( ·𝑠𝑃)
19151, 79, 82, 60, 49, 190asclmul1 21880 . . . . . . . . . . . . . . . 16 ((𝑃 ∈ AssAlg ∧ -3 ∈ ℚ ∧ 𝑋 ∈ (Base‘𝑃)) → ((𝐾‘-3) · 𝑋) = (-3( ·𝑠𝑃)𝑋))
192189, 87, 76, 191syl3anc 1374 . . . . . . . . . . . . . . 15 (⊤ → ((𝐾‘-3) · 𝑋) = (-3( ·𝑠𝑃)𝑋))
19370, 50mulg1 19052 . . . . . . . . . . . . . . . . 17 (𝑋 ∈ (Base‘𝑃) → (1 𝑋) = 𝑋)
19476, 193syl 17 . . . . . . . . . . . . . . . 16 (⊤ → (1 𝑋) = 𝑋)
195194oveq2d 7378 . . . . . . . . . . . . . . 15 (⊤ → (-3( ·𝑠𝑃)(1 𝑋)) = (-3( ·𝑠𝑃)𝑋))
196192, 195eqtr4d 2775 . . . . . . . . . . . . . 14 (⊤ → ((𝐾‘-3) · 𝑋) = (-3( ·𝑠𝑃)(1 𝑋)))
197196fveq2d 6840 . . . . . . . . . . . . 13 (⊤ → (coe1‘((𝐾‘-3) · 𝑋)) = (coe1‘(-3( ·𝑠𝑃)(1 𝑋))))
198197fveq1d 6838 . . . . . . . . . . . 12 (⊤ → ((coe1‘((𝐾‘-3) · 𝑋))‘3) = ((coe1‘(-3( ·𝑠𝑃)(1 𝑋)))‘3))
199 1nn0 12448 . . . . . . . . . . . . . 14 1 ∈ ℕ0
200199a1i 11 . . . . . . . . . . . . 13 (⊤ → 1 ∈ ℕ0)
201 1red 11140 . . . . . . . . . . . . . 14 (⊤ → 1 ∈ ℝ)
202201, 136ltned 11277 . . . . . . . . . . . . 13 (⊤ → 1 ≠ 3)
20358, 82, 2, 52, 190, 69, 50, 65, 87, 200, 74, 202coe1tmfv2 22254 . . . . . . . . . . . 12 (⊤ → ((coe1‘(-3( ·𝑠𝑃)(1 𝑋)))‘3) = 0)
204198, 203eqtrd 2772 . . . . . . . . . . 11 (⊤ → ((coe1‘((𝐾‘-3) · 𝑋))‘3) = 0)
2052, 51, 82, 58coe1scl 22266 . . . . . . . . . . . . 13 ((𝑄 ∈ Ring ∧ 1 ∈ ℚ) → (coe1‘(𝐾‘1)) = (𝑖 ∈ ℕ0 ↦ if(𝑖 = 0, 1, 0)))
20665, 92, 205syl2anc 585 . . . . . . . . . . . 12 (⊤ → (coe1‘(𝐾‘1)) = (𝑖 ∈ ℕ0 ↦ if(𝑖 = 0, 1, 0)))
207 simpr 484 . . . . . . . . . . . . . . 15 ((⊤ ∧ 𝑖 = 3) → 𝑖 = 3)
20828a1i 11 . . . . . . . . . . . . . . 15 ((⊤ ∧ 𝑖 = 3) → 3 ≠ 0)
209207, 208eqnetrd 3000 . . . . . . . . . . . . . 14 ((⊤ ∧ 𝑖 = 3) → 𝑖 ≠ 0)
210209neneqd 2938 . . . . . . . . . . . . 13 ((⊤ ∧ 𝑖 = 3) → ¬ 𝑖 = 0)
211210iffalsed 4478 . . . . . . . . . . . 12 ((⊤ ∧ 𝑖 = 3) → if(𝑖 = 0, 1, 0) = 0)
212 0zd 12531 . . . . . . . . . . . 12 (⊤ → 0 ∈ ℤ)
213206, 211, 74, 212fvmptd 6951 . . . . . . . . . . 11 (⊤ → ((coe1‘(𝐾‘1))‘3) = 0)
214204, 213oveq12d 7380 . . . . . . . . . 10 (⊤ → (((coe1‘((𝐾‘-3) · 𝑋))‘3) + ((coe1‘(𝐾‘1))‘3)) = (0 + 0))
215 00id 11316 . . . . . . . . . . 11 (0 + 0) = 0
216215a1i 11 . . . . . . . . . 10 (⊤ → (0 + 0) = 0)
217187, 214, 2163eqtrd 2776 . . . . . . . . 9 (⊤ → ((coe1‘(((𝐾‘-3) · 𝑋) + (𝐾‘1)))‘3) = 0)
218185, 217oveq12d 7380 . . . . . . . 8 (⊤ → (((coe1‘(3 𝑋))‘3) + ((coe1‘(((𝐾‘-3) · 𝑋) + (𝐾‘1)))‘3)) = (1 + 0))
219159addridd 11341 . . . . . . . 8 (⊤ → (1 + 0) = 1)
220218, 219eqtrd 2772 . . . . . . 7 (⊤ → (((coe1‘(3 𝑋))‘3) + ((coe1‘(((𝐾‘-3) · 𝑋) + (𝐾‘1)))‘3)) = 1)
221176, 181, 2203eqtrd 2776 . . . . . 6 (⊤ → ((coe1𝐹)‘3) = 1)
222174, 221eqtrd 2772 . . . . 5 (⊤ → ((coe1𝐹)‘(𝐷𝐹)) = 1)
2233fveq2i 6839 . . . . . . 7 (Monic1p𝑄) = (Monic1p‘(ℂflds ℚ))
224223eqcomi 2746 . . . . . 6 (Monic1p‘(ℂflds ℚ)) = (Monic1p𝑄)
2252, 60, 47, 53, 224, 183ismon1p 26122 . . . . 5 (𝐹 ∈ (Monic1p‘(ℂflds ℚ)) ↔ (𝐹 ∈ (Base‘𝑃) ∧ 𝐹 ≠ (0g𝑃) ∧ ((coe1𝐹)‘(𝐷𝐹)) = 1))
22696, 173, 222, 225syl3anbrc 1345 . . . 4 (⊤ → 𝐹 ∈ (Monic1p‘(ℂflds ℚ)))
2271, 5, 6, 8, 15, 44, 45, 46, 47, 57, 170, 226irredminply 33880 . . 3 (⊤ → 𝐹 = (𝑀𝐴))
228227, 169jca 511 . 2 (⊤ → (𝐹 = (𝑀𝐴) ∧ (𝐷𝐹) = 3))
229228mptru 1549 1 (𝐹 = (𝑀𝐴) ∧ (𝐷𝐹) = 3)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wa 395   = wceq 1542  wtru 1543  wcel 2114  wne 2933  wral 3052  {crab 3390  c0 4274  ifcif 4467  {csn 4568   class class class wbr 5086  cmpt 5167  ccnv 5625  cres 5628  cima 5629   Fn wfn 6489  cfv 6494  (class class class)co 7362  cc 11031  0cc0 11033  1c1 11034  ici 11035   + caddc 11036   · cmul 11038   < clt 11174  -cneg 11373   / cdiv 11802  2c2 12231  3c3 12232  0cn0 12432  cz 12519  cq 12893  cexp 14018  expce 16021  πcpi 16026  Basecbs 17174  s cress 17195  +gcplusg 17215  .rcmulr 17216  Scalarcsca 17218   ·𝑠 cvsca 17219  0gc0g 17397  Mndcmnd 18697  .gcmg 19038  mulGrpcmgp 20116  Ringcrg 20209  CRingccrg 20210  Irredcir 20331  NzRingcnzr 20484  SubRingcsubrg 20541  Domncdomn 20664  DivRingcdr 20701  Fieldcfield 20702  SubDRingcsdrg 20758  LModclmod 20850  fldccnfld 21348  AssAlgcasa 21844  algSccascl 21846  var1cv1 22153  Poly1cpl1 22154  coe1cco1 22155   evalSub1 ces1 22292  eval1ce1 22293  deg1cdg1 26033  Monic1pcmn1 26105  𝑐ccxp 26536   minPoly cminply 33863
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-rep 5213  ax-sep 5232  ax-nul 5242  ax-pow 5304  ax-pr 5372  ax-un 7684  ax-inf2 9557  ax-cnex 11089  ax-resscn 11090  ax-1cn 11091  ax-icn 11092  ax-addcl 11093  ax-addrcl 11094  ax-mulcl 11095  ax-mulrcl 11096  ax-mulcom 11097  ax-addass 11098  ax-mulass 11099  ax-distr 11100  ax-i2m1 11101  ax-1ne0 11102  ax-1rid 11103  ax-rnegex 11104  ax-rrecex 11105  ax-cnre 11106  ax-pre-lttri 11107  ax-pre-lttrn 11108  ax-pre-ltadd 11109  ax-pre-mulgt0 11110  ax-pre-sup 11111  ax-addf 11112  ax-mulf 11113
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-nel 3038  df-ral 3053  df-rex 3063  df-rmo 3343  df-reu 3344  df-rab 3391  df-v 3432  df-sbc 3730  df-csb 3839  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-pss 3910  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-tp 4573  df-op 4575  df-uni 4852  df-int 4891  df-iun 4936  df-iin 4937  df-br 5087  df-opab 5149  df-mpt 5168  df-tr 5194  df-id 5521  df-eprel 5526  df-po 5534  df-so 5535  df-fr 5579  df-se 5580  df-we 5581  df-xp 5632  df-rel 5633  df-cnv 5634  df-co 5635  df-dm 5636  df-rn 5637  df-res 5638  df-ima 5639  df-pred 6261  df-ord 6322  df-on 6323  df-lim 6324  df-suc 6325  df-iota 6450  df-fun 6496  df-fn 6497  df-f 6498  df-f1 6499  df-fo 6500  df-f1o 6501  df-fv 6502  df-isom 6503  df-riota 7319  df-ov 7365  df-oprab 7366  df-mpo 7367  df-of 7626  df-ofr 7627  df-om 7813  df-1st 7937  df-2nd 7938  df-supp 8106  df-tpos 8171  df-frecs 8226  df-wrecs 8257  df-recs 8306  df-rdg 8344  df-1o 8400  df-2o 8401  df-er 8638  df-map 8770  df-pm 8771  df-ixp 8841  df-en 8889  df-dom 8890  df-sdom 8891  df-fin 8892  df-fsupp 9270  df-fi 9319  df-sup 9350  df-inf 9351  df-oi 9420  df-card 9858  df-pnf 11176  df-mnf 11177  df-xr 11178  df-ltxr 11179  df-le 11180  df-sub 11374  df-neg 11375  df-div 11803  df-nn 12170  df-2 12239  df-3 12240  df-4 12241  df-5 12242  df-6 12243  df-7 12244  df-8 12245  df-9 12246  df-n0 12433  df-z 12520  df-dec 12640  df-uz 12784  df-q 12894  df-rp 12938  df-xneg 13058  df-xadd 13059  df-xmul 13060  df-ioo 13297  df-ioc 13298  df-ico 13299  df-icc 13300  df-fz 13457  df-fzo 13604  df-fl 13746  df-mod 13824  df-seq 13959  df-exp 14019  df-fac 14231  df-bc 14260  df-hash 14288  df-shft 15024  df-sgn 15044  df-cj 15056  df-re 15057  df-im 15058  df-sqrt 15192  df-abs 15193  df-limsup 15428  df-clim 15445  df-rlim 15446  df-sum 15644  df-ef 16027  df-sin 16029  df-cos 16030  df-pi 16032  df-dvds 16217  df-gcd 16459  df-prm 16636  df-struct 17112  df-sets 17129  df-slot 17147  df-ndx 17159  df-base 17175  df-ress 17196  df-plusg 17228  df-mulr 17229  df-starv 17230  df-sca 17231  df-vsca 17232  df-ip 17233  df-tset 17234  df-ple 17235  df-ds 17237  df-unif 17238  df-hom 17239  df-cco 17240  df-rest 17380  df-topn 17381  df-0g 17399  df-gsum 17400  df-topgen 17401  df-pt 17402  df-prds 17405  df-pws 17407  df-xrs 17461  df-qtop 17466  df-imas 17467  df-xps 17469  df-mre 17543  df-mrc 17544  df-acs 17546  df-mgm 18603  df-sgrp 18682  df-mnd 18698  df-mhm 18746  df-submnd 18747  df-grp 18907  df-minusg 18908  df-sbg 18909  df-mulg 19039  df-subg 19094  df-ghm 19183  df-cntz 19287  df-cmn 19752  df-abl 19753  df-mgp 20117  df-rng 20129  df-ur 20158  df-srg 20163  df-ring 20211  df-cring 20212  df-oppr 20312  df-dvdsr 20332  df-unit 20333  df-irred 20334  df-invr 20363  df-dvr 20376  df-rhm 20447  df-nzr 20485  df-subrng 20518  df-subrg 20542  df-rlreg 20666  df-domn 20667  df-idom 20668  df-drng 20703  df-field 20704  df-sdrg 20759  df-lmod 20852  df-lss 20922  df-lsp 20962  df-sra 21164  df-rgmod 21165  df-lidl 21202  df-rsp 21203  df-psmet 21340  df-xmet 21341  df-met 21342  df-bl 21343  df-mopn 21344  df-fbas 21345  df-fg 21346  df-cnfld 21349  df-assa 21847  df-asp 21848  df-ascl 21849  df-psr 21903  df-mvr 21904  df-mpl 21905  df-opsr 21907  df-evls 22066  df-evl 22067  df-psr1 22157  df-vr1 22158  df-ply1 22159  df-coe1 22160  df-evls1 22294  df-evl1 22295  df-top 22873  df-topon 22890  df-topsp 22912  df-bases 22925  df-cld 22998  df-ntr 22999  df-cls 23000  df-nei 23077  df-lp 23115  df-perf 23116  df-cn 23206  df-cnp 23207  df-haus 23294  df-tx 23541  df-hmeo 23734  df-fil 23825  df-fm 23917  df-flim 23918  df-flf 23919  df-xms 24299  df-ms 24300  df-tms 24301  df-cncf 24859  df-limc 25847  df-dv 25848  df-mdeg 26034  df-deg1 26035  df-mon1 26110  df-uc1p 26111  df-q1p 26112  df-r1p 26113  df-ig1p 26114  df-log 26537  df-cxp 26538  df-irng 33848  df-minply 33864
This theorem is referenced by:  cos9thpinconstrlem2  33954
  Copyright terms: Public domain W3C validator