Metamath Proof Explorer


Theorem elrgspnlem4

Description: Lemma for elrgspn . (Contributed by Thierry Arnoux, 5-Oct-2025)

Ref Expression
Hypotheses elrgspn.b ⊢ B = Base R
elrgspn.m ⊢ M = mulGrp R
elrgspn.x ⊢ · ˙ = ⋅ R
elrgspn.n ⊢ N = RingSpan ⁡ R
elrgspn.f ⊢ F = f ∈ ℤ Word A | finSupp 0 ⁡ f
elrgspn.r ⊢ φ → R ∈ Ring
elrgspn.a ⊢ φ → A ⊆ B
elrgspnlem1.1 ⊢ S = ran ⁡ g ∈ F ⟼ ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w
Assertion elrgspnlem4 ⊢ φ → N ⁡ A = S

Proof

Step Hyp Ref Expression
1 elrgspn.b ⊢ B = Base R
2 elrgspn.m ⊢ M = mulGrp R
3 elrgspn.x ⊢ · ˙ = ⋅ R
4 elrgspn.n ⊢ N = RingSpan ⁡ R
5 elrgspn.f ⊢ F = f ∈ ℤ Word A | finSupp 0 ⁡ f
6 elrgspn.r ⊢ φ → R ∈ Ring
7 elrgspn.a ⊢ φ → A ⊆ B
8 elrgspnlem1.1 ⊢ S = ran ⁡ g ∈ F ⟼ ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w
9 1 a1i ⊢ φ → B = Base R
10 4 a1i ⊢ φ → N = RingSpan ⁡ R
11 eqidd ⊢ φ → N ⁡ A = N ⁡ A
12 6 9 7 10 11 rgspnval ⊢ φ → N ⁡ A = ⋂ t ∈ SubRing ⁡ R | A ⊆ t
13 sseq2 ⊢ t = S → A ⊆ t ↔ A ⊆ S
14 1 2 3 4 5 6 7 8 elrgspnlem2 ⊢ φ → S ∈ SubRing ⁡ R
15 1 2 3 4 5 6 7 8 elrgspnlem3 ⊢ φ → A ⊆ S
16 13 14 15 elrabd ⊢ φ → S ∈ t ∈ SubRing ⁡ R | A ⊆ t
17 intss1 ⊢ S ∈ t ∈ SubRing ⁡ R | A ⊆ t → ⋂ t ∈ SubRing ⁡ R | A ⊆ t ⊆ S
18 16 17 syl ⊢ φ → ⋂ t ∈ SubRing ⁡ R | A ⊆ t ⊆ S
19 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ s ∈ S ∧ g ∈ F ∧ s = ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w → s = ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w
20 eqidd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F → g supp 0 = g supp 0
21 oveq1 ⊢ f = g → f supp 0 = g supp 0
22 21 eqeq1d ⊢ f = g → f supp 0 = g supp 0 ↔ g supp 0 = g supp 0
23 fveq1 ⊢ f = g → f ⁡ w = g ⁡ w
24 23 oveq1d ⊢ f = g → f ⁡ w · ˙ ∑ M w = g ⁡ w · ˙ ∑ M w
25 24 mpteq2dv ⊢ f = g → w ∈ Word A ⟼ f ⁡ w · ˙ ∑ M w = w ∈ Word A ⟼ g ⁡ w · ˙ ∑ M w
26 25 oveq2d ⊢ f = g → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w = ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w
27 26 eleq1d ⊢ f = g → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w ∈ t
28 22 27 imbi12d ⊢ f = g → f supp 0 = g supp 0 → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ g supp 0 = g supp 0 → ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w ∈ t
29 eqeq2 ⊢ i = ∅ → f supp 0 = i ↔ f supp 0 = ∅
30 29 imbi1d ⊢ i = ∅ → f supp 0 = i → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ f supp 0 = ∅ → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
31 30 ralbidv ⊢ i = ∅ → ∀ f ∈ F f supp 0 = i → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ ∀ f ∈ F f supp 0 = ∅ → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
32 eqeq2 ⊢ i = h → f supp 0 = i ↔ f supp 0 = h
33 32 imbi1d ⊢ i = h → f supp 0 = i → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
34 33 ralbidv ⊢ i = h → ∀ f ∈ F f supp 0 = i → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
35 eqeq2 ⊢ i = h ∪ x → f supp 0 = i ↔ f supp 0 = h ∪ x
36 35 imbi1d ⊢ i = h ∪ x → f supp 0 = i → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ f supp 0 = h ∪ x → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
37 36 ralbidv ⊢ i = h ∪ x → ∀ f ∈ F f supp 0 = i → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ ∀ f ∈ F f supp 0 = h ∪ x → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
38 eqeq2 ⊢ i = g supp 0 → f supp 0 = i ↔ f supp 0 = g supp 0
39 38 imbi1d ⊢ i = g supp 0 → f supp 0 = i → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ f supp 0 = g supp 0 → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
40 39 ralbidv ⊢ i = g supp 0 → ∀ f ∈ F f supp 0 = i → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ ∀ f ∈ F f supp 0 = g supp 0 → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
41 eqid ⊢ 0 R = 0 R
42 6 ringcmnd ⊢ φ → R ∈ CMnd
43 42 ad5antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → R ∈ CMnd
44 1 fvexi ⊢ B ∈ V
45 44 a1i ⊢ φ → B ∈ V
46 45 7 ssexd ⊢ φ → A ∈ V
47 wrdexg ⊢ A ∈ V → Word A ∈ V
48 46 47 syl ⊢ φ → Word A ∈ V
49 48 ad5antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → Word A ∈ V
50 simp-4l ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F → φ
51 5 reqabi ⊢ f ∈ F ↔ f ∈ ℤ Word A ∧ finSupp 0 ⁡ f
52 51 simplbi ⊢ f ∈ F → f ∈ ℤ Word A
53 52 adantl ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F → f ∈ ℤ Word A
54 zex ⊢ ℤ ∈ V
55 54 a1i ⊢ φ → ℤ ∈ V
56 55 48 elmapd ⊢ φ → f ∈ ℤ Word A ↔ f : Word A ⟶ ℤ
57 56 biimpa ⊢ φ ∧ f ∈ ℤ Word A → f : Word A ⟶ ℤ
58 50 53 57 syl2anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F → f : Word A ⟶ ℤ
59 58 ffnd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F → f Fn Word A
60 59 ad2antrr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → f Fn Word A
61 49 adantr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → Word A ∈ V
62 0zd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → 0 ∈ ℤ
63 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → w ∈ Word A ∖ ∅
64 63 eldifad ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → w ∈ Word A
65 63 eldifbd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → ¬ w ∈ ∅
66 simplr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → f supp 0 = ∅
67 65 66 neleqtrrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → ¬ w ∈ supp 0 ⁡ f
68 64 67 eldifd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → w ∈ Word A ∖ supp 0 ⁡ f
69 60 61 62 68 fvdifsupp ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → f ⁡ w = 0
70 69 oveq1d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → f ⁡ w · ˙ ∑ M w = 0 · ˙ ∑ M w
71 2 ringmgp ⊢ R ∈ Ring → M ∈ Mnd
72 6 71 syl ⊢ φ → M ∈ Mnd
73 72 ad6antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → M ∈ Mnd
74 sswrd ⊢ A ⊆ B → Word A ⊆ Word B
75 7 74 syl ⊢ φ → Word A ⊆ Word B
76 75 ad6antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → Word A ⊆ Word B
77 76 64 sseldd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → w ∈ Word B
78 2 1 mgpbas ⊢ B = Base M
79 78 gsumwcl ⊢ M ∈ Mnd ∧ w ∈ Word B → ∑ M w ∈ B
80 73 77 79 syl2anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → ∑ M w ∈ B
81 1 41 3 mulg0 ⊢ ∑ M w ∈ B → 0 · ˙ ∑ M w = 0 R
82 80 81 syl ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → 0 · ˙ ∑ M w = 0 R
83 70 82 eqtrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A ∖ ∅ → f ⁡ w · ˙ ∑ M w = 0 R
84 0fi ⊢ ∅ ∈ Fin
85 84 a1i ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → ∅ ∈ Fin
86 6 ringgrpd ⊢ φ → R ∈ Grp
87 86 ad6antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A → R ∈ Grp
88 58 ad2antrr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A → f : Word A ⟶ ℤ
89 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A → w ∈ Word A
90 88 89 ffvelcdmd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A → f ⁡ w ∈ ℤ
91 72 ad6antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A → M ∈ Mnd
92 75 ad6antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A → Word A ⊆ Word B
93 92 89 sseldd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A → w ∈ Word B
94 91 93 79 syl2anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A → ∑ M w ∈ B
95 1 3 87 90 94 mulgcld ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ ∧ w ∈ Word A → f ⁡ w · ˙ ∑ M w ∈ B
96 0ss ⊢ ∅ ⊆ Word A
97 96 a1i ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → ∅ ⊆ Word A
98 1 41 43 49 83 85 95 97 gsummptres2 ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w = ∑ R w ∈ ∅ f ⁡ w · ˙ ∑ M w
99 mpt0 ⊢ w ∈ ∅ ⟼ f ⁡ w · ˙ ∑ M w = ∅
100 99 a1i ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → w ∈ ∅ ⟼ f ⁡ w · ˙ ∑ M w = ∅
101 100 oveq2d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → ∑ R w ∈ ∅ f ⁡ w · ˙ ∑ M w = ∑ R ∅
102 41 gsum0 ⊢ ∑ R ∅ = 0 R
103 102 a1i ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → ∑ R ∅ = 0 R
104 98 101 103 3eqtrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w = 0 R
105 subrgsubg ⊢ t ∈ SubRing ⁡ R → t ∈ SubGrp ⁡ R
106 41 subg0cl ⊢ t ∈ SubGrp ⁡ R → 0 R ∈ t
107 105 106 syl ⊢ t ∈ SubRing ⁡ R → 0 R ∈ t
108 107 adantl ⊢ φ ∧ t ∈ SubRing ⁡ R → 0 R ∈ t
109 108 ad4antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → 0 R ∈ t
110 104 109 eqeltrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F ∧ f supp 0 = ∅ → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
111 110 ex ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ f ∈ F → f supp 0 = ∅ → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
112 111 ralrimiva ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F → ∀ f ∈ F f supp 0 = ∅ → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
113 42 ad7antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → R ∈ CMnd
114 48 ad7antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → Word A ∈ V
115 simp-5l ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F → φ
116 breq1 ⊢ f = e → finSupp 0 ⁡ f ↔ finSupp 0 ⁡ e
117 116 5 elrab2 ⊢ e ∈ F ↔ e ∈ ℤ Word A ∧ finSupp 0 ⁡ e
118 117 simplbi ⊢ e ∈ F → e ∈ ℤ Word A
119 55 48 elmapd ⊢ φ → e ∈ ℤ Word A ↔ e : Word A ⟶ ℤ
120 119 biimpa ⊢ φ ∧ e ∈ ℤ Word A → e : Word A ⟶ ℤ
121 118 120 sylan2 ⊢ φ ∧ e ∈ F → e : Word A ⟶ ℤ
122 115 121 sylancom ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F → e : Word A ⟶ ℤ
123 122 adantl3r ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F → e : Word A ⟶ ℤ
124 123 ffnd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F → e Fn Word A
125 124 ad2antrr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → e Fn Word A
126 114 adantr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → Word A ∈ V
127 0zd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → 0 ∈ ℤ
128 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → w ∈ Word A ∖ supp 0 ⁡ e
129 125 126 127 128 fvdifsupp ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → e ⁡ w = 0
130 129 oveq1d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → e ⁡ w · ˙ ∑ M w = 0 · ˙ ∑ M w
131 72 ad8antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → M ∈ Mnd
132 75 ad8antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → Word A ⊆ Word B
133 128 eldifad ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → w ∈ Word A
134 132 133 sseldd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → w ∈ Word B
135 131 134 79 syl2anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → ∑ M w ∈ B
136 135 81 syl ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → 0 · ˙ ∑ M w = 0 R
137 130 136 eqtrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ supp 0 ⁡ e → e ⁡ w · ˙ ∑ M w = 0 R
138 117 simprbi ⊢ e ∈ F → finSupp 0 ⁡ e
139 138 ad2antlr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → finSupp 0 ⁡ e
140 139 fsuppimpd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e supp 0 ∈ Fin
141 86 ad8antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → R ∈ Grp
142 123 ad2antrr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → e : Word A ⟶ ℤ
143 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → w ∈ Word A
144 142 143 ffvelcdmd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → e ⁡ w ∈ ℤ
145 72 ad8antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → M ∈ Mnd
146 75 ad7antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → Word A ⊆ Word B
147 146 sselda ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → w ∈ Word B
148 145 147 79 syl2anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → ∑ M w ∈ B
149 1 3 141 144 148 mulgcld ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → e ⁡ w · ˙ ∑ M w ∈ B
150 suppssdm ⊢ e supp 0 ⊆ dom ⁡ e
151 123 adantr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e : Word A ⟶ ℤ
152 150 151 fssdm ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e supp 0 ⊆ Word A
153 1 41 113 114 137 140 149 152 gsummptres2 ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w = ∑ R w ∈ e supp 0 e ⁡ w · ˙ ∑ M w
154 153 adantllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w = ∑ R w ∈ e supp 0 e ⁡ w · ˙ ∑ M w
155 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e supp 0 = h ∪ x
156 155 mpteq1d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → w ∈ supp 0 ⁡ e ⟼ e ⁡ w · ˙ ∑ M w = w ∈ h ∪ x ⟼ e ⁡ w · ˙ ∑ M w
157 156 oveq2d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ e supp 0 e ⁡ w · ˙ ∑ M w = ∑ R w ∈ h ∪ x e ⁡ w · ˙ ∑ M w
158 eqid ⊢ + R = + R
159 breq1 ⊢ f = g → finSupp 0 ⁡ f ↔ finSupp 0 ⁡ g
160 159 5 elrab2 ⊢ g ∈ F ↔ g ∈ ℤ Word A ∧ finSupp 0 ⁡ g
161 160 simprbi ⊢ g ∈ F → finSupp 0 ⁡ g
162 161 adantl ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F → finSupp 0 ⁡ g
163 162 fsuppimpd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F → g supp 0 ∈ Fin
164 163 ad4antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → g supp 0 ∈ Fin
165 simp-4r ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → h ⊆ g supp 0
166 164 165 ssfid ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → h ∈ Fin
167 86 ad8antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → R ∈ Grp
168 151 adantr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → e : Word A ⟶ ℤ
169 suppssdm ⊢ g supp 0 ⊆ dom ⁡ g
170 simp-7l ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → φ
171 simp-5r ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → g ∈ F
172 160 simplbi ⊢ g ∈ F → g ∈ ℤ Word A
173 55 48 elmapd ⊢ φ → g ∈ ℤ Word A ↔ g : Word A ⟶ ℤ
174 173 biimpa ⊢ φ ∧ g ∈ ℤ Word A → g : Word A ⟶ ℤ
175 172 174 sylan2 ⊢ φ ∧ g ∈ F → g : Word A ⟶ ℤ
176 170 171 175 syl2anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → g : Word A ⟶ ℤ
177 169 176 fssdm ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → g supp 0 ⊆ Word A
178 165 177 sstrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → h ⊆ Word A
179 178 sselda ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → w ∈ Word A
180 168 179 ffvelcdmd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → e ⁡ w ∈ ℤ
181 179 148 syldan ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → ∑ M w ∈ B
182 1 3 167 180 181 mulgcld ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → e ⁡ w · ˙ ∑ M w ∈ B
183 simpllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → x ∈ supp 0 ⁡ g ∖ h
184 183 eldifbd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → ¬ x ∈ h
185 170 86 syl ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → R ∈ Grp
186 183 eldifad ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → x ∈ supp 0 ⁡ g
187 177 186 sseldd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → x ∈ Word A
188 151 187 ffvelcdmd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ⁡ x ∈ ℤ
189 170 72 syl ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → M ∈ Mnd
190 146 187 sseldd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → x ∈ Word B
191 78 gsumwcl ⊢ M ∈ Mnd ∧ x ∈ Word B → ∑ M x ∈ B
192 189 190 191 syl2anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ M x ∈ B
193 1 3 185 188 192 mulgcld ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ⁡ x · ˙ ∑ M x ∈ B
194 fveq2 ⊢ w = x → e ⁡ w = e ⁡ x
195 oveq2 ⊢ w = x → ∑ M w = ∑ M x
196 194 195 oveq12d ⊢ w = x → e ⁡ w · ˙ ∑ M w = e ⁡ x · ˙ ∑ M x
197 1 158 113 166 182 183 184 193 196 gsumunsn ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ h ∪ x e ⁡ w · ˙ ∑ M w = ∑ R w ∈ h e ⁡ w · ˙ ∑ M w + R e ⁡ x · ˙ ∑ M x
198 197 adantllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ h ∪ x e ⁡ w · ˙ ∑ M w = ∑ R w ∈ h e ⁡ w · ˙ ∑ M w + R e ⁡ x · ˙ ∑ M x
199 154 157 198 3eqtrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w = ∑ R w ∈ h e ⁡ w · ˙ ∑ M w + R e ⁡ x · ˙ ∑ M x
200 105 ad8antlr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → t ∈ SubGrp ⁡ R
201 124 adantr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e Fn Word A
202 0zd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → 0 ∈ ℤ
203 201 187 202 fmptunsnop ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → y ∈ Word A ⟼ if y = x 0 e ⁡ y = e ↾ Word A ∖ x ∪ x 0
204 203 adantr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → y ∈ Word A ⟼ if y = x 0 e ⁡ y = e ↾ Word A ∖ x ∪ x 0
205 204 fveq1d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → y ∈ Word A ⟼ if y = x 0 e ⁡ y ⁡ w = e ↾ Word A ∖ x ∪ x 0 ⁡ w
206 eqid ⊢ y ∈ Word A ⟼ if y = x 0 e ⁡ y = y ∈ Word A ⟼ if y = x 0 e ⁡ y
207 eqidd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ y = x → 0 = 0
208 201 ad3antrrr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → e Fn Word A
209 114 ad3antrrr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → Word A ∈ V
210 0zd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → 0 ∈ ℤ
211 simplr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → y = w
212 simpllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → w ∈ Word A ∖ h
213 212 eldifad ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → w ∈ Word A
214 211 213 eqeltrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → y ∈ Word A
215 simp-4r ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → e supp 0 = h ∪ x
216 212 eldifbd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → ¬ w ∈ h
217 211 216 eqneltrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → ¬ y ∈ h
218 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → ¬ y = x
219 218 neqned ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → y ≠ x
220 nelsn ⊢ y ≠ x → ¬ y ∈ x
221 219 220 syl ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → ¬ y ∈ x
222 nelun ⊢ e supp 0 = h ∪ x → ¬ y ∈ supp 0 ⁡ e ↔ ¬ y ∈ h ∧ ¬ y ∈ x
223 222 biimpar ⊢ e supp 0 = h ∪ x ∧ ¬ y ∈ h ∧ ¬ y ∈ x → ¬ y ∈ supp 0 ⁡ e
224 215 217 221 223 syl12anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → ¬ y ∈ supp 0 ⁡ e
225 214 224 eldifd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → y ∈ Word A ∖ supp 0 ⁡ e
226 208 209 210 225 fvdifsupp ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w ∧ ¬ y = x → e ⁡ y = 0
227 207 226 ifeqda ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h ∧ y = w → if y = x 0 e ⁡ y = 0
228 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → w ∈ Word A ∖ h
229 228 eldifad ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → w ∈ Word A
230 0zd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → 0 ∈ ℤ
231 206 227 229 230 fvmptd2 ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → y ∈ Word A ⟼ if y = x 0 e ⁡ y ⁡ w = 0
232 205 231 eqtr3d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → e ↾ Word A ∖ x ∪ x 0 ⁡ w = 0
233 232 oveq1d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w = 0 · ˙ ∑ M w
234 229 148 syldan ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → ∑ M w ∈ B
235 234 81 syl ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → 0 · ˙ ∑ M w = 0 R
236 233 235 eqtrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A ∖ h → e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w = 0 R
237 203 adantr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → y ∈ Word A ⟼ if y = x 0 e ⁡ y = e ↾ Word A ∖ x ∪ x 0
238 237 fveq1d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → y ∈ Word A ⟼ if y = x 0 e ⁡ y ⁡ w = e ↾ Word A ∖ x ∪ x 0 ⁡ w
239 0zd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A ∧ y = x → 0 ∈ ℤ
240 151 ad2antrr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A ∧ ¬ y = x → e : Word A ⟶ ℤ
241 simplr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A ∧ ¬ y = x → y ∈ Word A
242 240 241 ffvelcdmd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A ∧ ¬ y = x → e ⁡ y ∈ ℤ
243 239 242 ifclda ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A → if y = x 0 e ⁡ y ∈ ℤ
244 243 fmpttd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → y ∈ Word A ⟼ if y = x 0 e ⁡ y : Word A ⟶ ℤ
245 244 ffvelcdmda ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → y ∈ Word A ⟼ if y = x 0 e ⁡ y ⁡ w ∈ ℤ
246 238 245 eqeltrrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → e ↾ Word A ∖ x ∪ x 0 ⁡ w ∈ ℤ
247 1 3 141 246 148 mulgcld ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ Word A → e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w ∈ B
248 1 41 113 114 236 166 247 178 gsummptres2 ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ Word A e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w = ∑ R w ∈ h e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w
249 248 adantllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ Word A e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w = ∑ R w ∈ h e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w
250 203 adantr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → y ∈ Word A ⟼ if y = x 0 e ⁡ y = e ↾ Word A ∖ x ∪ x 0
251 250 fveq1d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → y ∈ Word A ⟼ if y = x 0 e ⁡ y ⁡ w = e ↾ Word A ∖ x ∪ x 0 ⁡ w
252 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h ∧ y = w → y = w
253 simplr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h ∧ y = w → w ∈ h
254 252 253 eqeltrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h ∧ y = w → y ∈ h
255 184 ad2antrr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h ∧ y = w → ¬ x ∈ h
256 nelneq ⊢ y ∈ h ∧ ¬ x ∈ h → ¬ y = x
257 254 255 256 syl2anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h ∧ y = w → ¬ y = x
258 257 iffalsed ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h ∧ y = w → if y = x 0 e ⁡ y = e ⁡ y
259 252 fveq2d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h ∧ y = w → e ⁡ y = e ⁡ w
260 258 259 eqtrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h ∧ y = w → if y = x 0 e ⁡ y = e ⁡ w
261 206 260 179 180 fvmptd2 ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → y ∈ Word A ⟼ if y = x 0 e ⁡ y ⁡ w = e ⁡ w
262 251 261 eqtr3d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → e ↾ Word A ∖ x ∪ x 0 ⁡ w = e ⁡ w
263 262 oveq1d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ w ∈ h → e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w = e ⁡ w · ˙ ∑ M w
264 263 mpteq2dva ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → w ∈ h ⟼ e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w = w ∈ h ⟼ e ⁡ w · ˙ ∑ M w
265 264 adantllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → w ∈ h ⟼ e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w = w ∈ h ⟼ e ⁡ w · ˙ ∑ M w
266 265 oveq2d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ h e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w = ∑ R w ∈ h e ⁡ w · ˙ ∑ M w
267 249 266 eqtrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ Word A e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w = ∑ R w ∈ h e ⁡ w · ˙ ∑ M w
268 simplr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ∈ F
269 268 resexd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x ∈ V
270 snex ⊢ x 0 ∈ V
271 270 a1i ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → x 0 ∈ V
272 269 271 202 suppun2 ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x ∪ x 0 supp 0 = supp 0 ⁡ e ↾ Word A ∖ x ∪ supp 0 ⁡ x 0
273 114 202 201 fdifsupp ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x supp 0 = supp 0 ⁡ e ∖ x
274 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e supp 0 = h ∪ x
275 274 difeq1d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → supp 0 ⁡ e ∖ x = h ∪ x ∖ x
276 disjsn ⊢ h ∩ x = ∅ ↔ ¬ x ∈ h
277 undif5 ⊢ h ∩ x = ∅ → h ∪ x ∖ x = h
278 276 277 sylbir ⊢ ¬ x ∈ h → h ∪ x ∖ x = h
279 184 278 syl ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → h ∪ x ∖ x = h
280 273 275 279 3eqtrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x supp 0 = h
281 vex ⊢ x ∈ V
282 c0ex ⊢ 0 ∈ V
283 281 282 xpsn ⊢ x × 0 = x 0
284 283 oveq1i ⊢ x × 0 supp 0 = x 0 supp 0
285 fczsupp0 ⊢ x × 0 supp 0 = ∅
286 284 285 eqtr3i ⊢ x 0 supp 0 = ∅
287 286 a1i ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → x 0 supp 0 = ∅
288 280 287 uneq12d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → supp 0 ⁡ e ↾ Word A ∖ x ∪ supp 0 ⁡ x 0 = h ∪ ∅
289 un0 ⊢ h ∪ ∅ = h
290 289 a1i ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → h ∪ ∅ = h
291 272 288 290 3eqtrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x ∪ x 0 supp 0 = h
292 291 adantllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x ∪ x 0 supp 0 = h
293 oveq1 ⊢ f = e ↾ Word A ∖ x ∪ x 0 → f supp 0 = e ↾ Word A ∖ x ∪ x 0 supp 0
294 293 eqeq1d ⊢ f = e ↾ Word A ∖ x ∪ x 0 → f supp 0 = h ↔ e ↾ Word A ∖ x ∪ x 0 supp 0 = h
295 fveq1 ⊢ f = e ↾ Word A ∖ x ∪ x 0 → f ⁡ w = e ↾ Word A ∖ x ∪ x 0 ⁡ w
296 295 oveq1d ⊢ f = e ↾ Word A ∖ x ∪ x 0 → f ⁡ w · ˙ ∑ M w = e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w
297 296 mpteq2dv ⊢ f = e ↾ Word A ∖ x ∪ x 0 → w ∈ Word A ⟼ f ⁡ w · ˙ ∑ M w = w ∈ Word A ⟼ e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w
298 297 oveq2d ⊢ f = e ↾ Word A ∖ x ∪ x 0 → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w = ∑ R w ∈ Word A e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w
299 298 eleq1d ⊢ f = e ↾ Word A ∖ x ∪ x 0 → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ ∑ R w ∈ Word A e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w ∈ t
300 294 299 imbi12d ⊢ f = e ↾ Word A ∖ x ∪ x 0 → f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ↔ e ↾ Word A ∖ x ∪ x 0 supp 0 = h → ∑ R w ∈ Word A e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w ∈ t
301 simpllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
302 breq1 ⊢ f = e ↾ Word A ∖ x ∪ x 0 → finSupp 0 ⁡ f ↔ finSupp 0 ⁡ e ↾ Word A ∖ x ∪ x 0
303 54 a1i ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ℤ ∈ V
304 114 adantllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → Word A ∈ V
305 203 adantllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → y ∈ Word A ⟼ if y = x 0 e ⁡ y = e ↾ Word A ∖ x ∪ x 0
306 0zd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A ∧ y = x → 0 ∈ ℤ
307 simp-10l ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A ∧ ¬ y = x → φ
308 simp-4r ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A ∧ ¬ y = x → e ∈ F
309 307 308 121 syl2anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A ∧ ¬ y = x → e : Word A ⟶ ℤ
310 simplr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A ∧ ¬ y = x → y ∈ Word A
311 309 310 ffvelcdmd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A ∧ ¬ y = x → e ⁡ y ∈ ℤ
312 306 311 ifclda ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x ∧ y ∈ Word A → if y = x 0 e ⁡ y ∈ ℤ
313 312 fmpttd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → y ∈ Word A ⟼ if y = x 0 e ⁡ y : Word A ⟶ ℤ
314 305 313 feq1dd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x ∪ x 0 : Word A ⟶ ℤ
315 303 304 314 elmapdd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x ∪ x 0 ∈ ℤ Word A
316 0zd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → 0 ∈ ℤ
317 314 ffund ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → Fun ⁡ e ↾ Word A ∖ x ∪ x 0
318 166 adantllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → h ∈ Fin
319 292 318 eqeltrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x ∪ x 0 supp 0 ∈ Fin
320 315 316 317 319 isfsuppd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → finSupp 0 ⁡ e ↾ Word A ∖ x ∪ x 0
321 302 315 320 elrabd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x ∪ x 0 ∈ f ∈ ℤ Word A | finSupp 0 ⁡ f
322 321 5 eleqtrrdi ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x ∪ x 0 ∈ F
323 300 301 322 rspcdva ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ↾ Word A ∖ x ∪ x 0 supp 0 = h → ∑ R w ∈ Word A e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w ∈ t
324 292 323 mpd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ Word A e ↾ Word A ∖ x ∪ x 0 ⁡ w · ˙ ∑ M w ∈ t
325 267 324 eqeltrrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ h e ⁡ w · ˙ ∑ M w ∈ t
326 86 ad8antr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → R ∈ Grp
327 2 subrgsubm ⊢ t ∈ SubRing ⁡ R → t ∈ SubMnd ⁡ M
328 327 ad8antlr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → t ∈ SubMnd ⁡ M
329 sswrd ⊢ A ⊆ t → Word A ⊆ Word t
330 329 ad7antlr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → Word A ⊆ Word t
331 187 adantllr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → x ∈ Word A
332 330 331 sseldd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → x ∈ Word t
333 gsumwsubmcl ⊢ t ∈ SubMnd ⁡ M ∧ x ∈ Word t → ∑ M x ∈ t
334 328 332 333 syl2anc ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ M x ∈ t
335 123 ad4ant13 ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e : Word A ⟶ ℤ
336 335 331 ffvelcdmd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ⁡ x ∈ ℤ
337 1 3 326 334 200 336 subgmulgcld ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → e ⁡ x · ˙ ∑ M x ∈ t
338 158 200 325 337 subgcld ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ h e ⁡ w · ˙ ∑ M w + R e ⁡ x · ˙ ∑ M x ∈ t
339 199 338 eqeltrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F ∧ e supp 0 = h ∪ x → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w ∈ t
340 339 ex ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t ∧ e ∈ F → e supp 0 = h ∪ x → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w ∈ t
341 340 ralrimiva ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h ∧ ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t → ∀ e ∈ F e supp 0 = h ∪ x → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w ∈ t
342 341 ex ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h → ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t → ∀ e ∈ F e supp 0 = h ∪ x → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w ∈ t
343 342 anasss ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h → ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t → ∀ e ∈ F e supp 0 = h ∪ x → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w ∈ t
344 oveq1 ⊢ e = f → e supp 0 = f supp 0
345 344 eqeq1d ⊢ e = f → e supp 0 = h ∪ x ↔ f supp 0 = h ∪ x
346 fveq1 ⊢ e = f → e ⁡ w = f ⁡ w
347 346 oveq1d ⊢ e = f → e ⁡ w · ˙ ∑ M w = f ⁡ w · ˙ ∑ M w
348 347 mpteq2dv ⊢ e = f → w ∈ Word A ⟼ e ⁡ w · ˙ ∑ M w = w ∈ Word A ⟼ f ⁡ w · ˙ ∑ M w
349 348 oveq2d ⊢ e = f → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w = ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w
350 349 eleq1d ⊢ e = f → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w ∈ t ↔ ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
351 345 350 imbi12d ⊢ e = f → e supp 0 = h ∪ x → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w ∈ t ↔ f supp 0 = h ∪ x → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
352 351 cbvralvw ⊢ ∀ e ∈ F e supp 0 = h ∪ x → ∑ R w ∈ Word A e ⁡ w · ˙ ∑ M w ∈ t ↔ ∀ f ∈ F f supp 0 = h ∪ x → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
353 343 352 imbitrdi ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F ∧ h ⊆ g supp 0 ∧ x ∈ supp 0 ⁡ g ∖ h → ∀ f ∈ F f supp 0 = h → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t → ∀ f ∈ F f supp 0 = h ∪ x → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
354 31 34 37 40 112 353 163 findcard2d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F → ∀ f ∈ F f supp 0 = g supp 0 → ∑ R w ∈ Word A f ⁡ w · ˙ ∑ M w ∈ t
355 simpr ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F → g ∈ F
356 28 354 355 rspcdva ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F → g supp 0 = g supp 0 → ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w ∈ t
357 20 356 mpd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ g ∈ F → ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w ∈ t
358 357 ad4ant13 ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ s ∈ S ∧ g ∈ F ∧ s = ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w → ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w ∈ t
359 19 358 eqeltrd ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ s ∈ S ∧ g ∈ F ∧ s = ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w → s ∈ t
360 eqid ⊢ g ∈ F ⟼ ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w = g ∈ F ⟼ ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w
361 8 eleq2i ⊢ s ∈ S ↔ s ∈ ran ⁡ g ∈ F ⟼ ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w
362 361 bilani ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ s ∈ S → s ∈ ran ⁡ g ∈ F ⟼ ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w
363 360 362 elrnmpt2d ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ s ∈ S → ∃ g ∈ F s = ∑ R w ∈ Word A g ⁡ w · ˙ ∑ M w
364 359 363 r19.29a ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t ∧ s ∈ S → s ∈ t
365 364 ex ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t → s ∈ S → s ∈ t
366 365 ssrdv ⊢ φ ∧ t ∈ SubRing ⁡ R ∧ A ⊆ t → S ⊆ t
367 366 ex ⊢ φ ∧ t ∈ SubRing ⁡ R → A ⊆ t → S ⊆ t
368 367 ralrimiva ⊢ φ → ∀ t ∈ SubRing ⁡ R A ⊆ t → S ⊆ t
369 ssintrab ⊢ S ⊆ ⋂ t ∈ SubRing ⁡ R | A ⊆ t ↔ ∀ t ∈ SubRing ⁡ R A ⊆ t → S ⊆ t
370 368 369 sylibr ⊢ φ → S ⊆ ⋂ t ∈ SubRing ⁡ R | A ⊆ t
371 18 370 eqssd ⊢ φ → ⋂ t ∈ SubRing ⁡ R | A ⊆ t = S
372 12 371 eqtrd ⊢ φ → N ⁡ A = S