Metamath Proof Explorer


Theorem dih1dimatlem0

Description: Lemma for dih1dimat . (Contributed by NM, 11-Apr-2014)

Ref Expression
Hypotheses dih1dimat.h ⊢ H = LHyp ⁡ K
dih1dimat.u ⊢ U = DVecH ⁡ K ⁡ W
dih1dimat.i ⊢ I = DIsoH ⁡ K ⁡ W
dih1dimat.a ⊢ A = LSAtoms ⁡ U
dih1dimat.b ⊢ B = Base K
dih1dimat.l ⊢ ≤ ˙ = ≤ K
dih1dimat.c ⊢ C = Atoms ⁡ K
dih1dimat.p ⊢ P = oc ⁡ K ⁡ W
dih1dimat.t ⊢ T = LTrn ⁡ K ⁡ W
dih1dimat.r ⊢ R = trL ⁡ K ⁡ W
dih1dimat.e ⊢ E = TEndo ⁡ K ⁡ W
dih1dimat.o ⊢ O = h ∈ T ⟼ I ↾ B
dih1dimat.d ⊢ F = Scalar ⁡ U
dih1dimat.j ⊢ J = inv r ⁡ F
dih1dimat.v ⊢ V = Base U
dih1dimat.m ⊢ · ˙ = ⋅ U
dih1dimat.s ⊢ S = LSubSp ⁡ U
dih1dimat.n ⊢ N = LSpan ⁡ U
dih1dimat.z ⊢ 0 ˙ = 0 U
dih1dimat.g ⊢ G = ι h ∈ T | h ⁡ P = J ⁡ s ⁡ f ⁡ P
Assertion dih1dimatlem0 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → i = p ⁡ G ∧ p ∈ E ↔ i ∈ T ∧ p ∈ E ∧ ∃ t ∈ E i = t ⁡ f ∧ p = t ∘ s

Proof

Step Hyp Ref Expression
1 dih1dimat.h ⊢ H = LHyp ⁡ K
2 dih1dimat.u ⊢ U = DVecH ⁡ K ⁡ W
3 dih1dimat.i ⊢ I = DIsoH ⁡ K ⁡ W
4 dih1dimat.a ⊢ A = LSAtoms ⁡ U
5 dih1dimat.b ⊢ B = Base K
6 dih1dimat.l ⊢ ≤ ˙ = ≤ K
7 dih1dimat.c ⊢ C = Atoms ⁡ K
8 dih1dimat.p ⊢ P = oc ⁡ K ⁡ W
9 dih1dimat.t ⊢ T = LTrn ⁡ K ⁡ W
10 dih1dimat.r ⊢ R = trL ⁡ K ⁡ W
11 dih1dimat.e ⊢ E = TEndo ⁡ K ⁡ W
12 dih1dimat.o ⊢ O = h ∈ T ⟼ I ↾ B
13 dih1dimat.d ⊢ F = Scalar ⁡ U
14 dih1dimat.j ⊢ J = inv r ⁡ F
15 dih1dimat.v ⊢ V = Base U
16 dih1dimat.m ⊢ · ˙ = ⋅ U
17 dih1dimat.s ⊢ S = LSubSp ⁡ U
18 dih1dimat.n ⊢ N = LSpan ⁡ U
19 dih1dimat.z ⊢ 0 ˙ = 0 U
20 dih1dimat.g ⊢ G = ι h ∈ T | h ⁡ P = J ⁡ s ⁡ f ⁡ P
21 simprl ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → i = p ⁡ G
22 simpl1 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → K ∈ HL ∧ W ∈ H
23 simprr ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → p ∈ E
24 6 7 1 8 lhpocnel2 ⊢ K ∈ HL ∧ W ∈ H → P ∈ C ∧ ¬ P ≤ ˙ W
25 22 24 syl ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → P ∈ C ∧ ¬ P ≤ ˙ W
26 simpl2r ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → s ∈ E
27 simpl3 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → s ≠ O
28 5 1 9 11 12 2 13 14 tendoinvcl ⊢ K ∈ HL ∧ W ∈ H ∧ s ∈ E ∧ s ≠ O → J ⁡ s ∈ E ∧ J ⁡ s ≠ O
29 28 simpld ⊢ K ∈ HL ∧ W ∈ H ∧ s ∈ E ∧ s ≠ O → J ⁡ s ∈ E
30 22 26 27 29 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → J ⁡ s ∈ E
31 simpl2l ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → f ∈ T
32 1 9 11 tendocl ⊢ K ∈ HL ∧ W ∈ H ∧ J ⁡ s ∈ E ∧ f ∈ T → J ⁡ s ⁡ f ∈ T
33 22 30 31 32 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → J ⁡ s ⁡ f ∈ T
34 6 7 1 9 ltrnel ⊢ K ∈ HL ∧ W ∈ H ∧ J ⁡ s ⁡ f ∈ T ∧ P ∈ C ∧ ¬ P ≤ ˙ W → J ⁡ s ⁡ f ⁡ P ∈ C ∧ ¬ J ⁡ s ⁡ f ⁡ P ≤ ˙ W
35 22 33 25 34 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → J ⁡ s ⁡ f ⁡ P ∈ C ∧ ¬ J ⁡ s ⁡ f ⁡ P ≤ ˙ W
36 6 7 1 9 20 ltrniotacl ⊢ K ∈ HL ∧ W ∈ H ∧ P ∈ C ∧ ¬ P ≤ ˙ W ∧ J ⁡ s ⁡ f ⁡ P ∈ C ∧ ¬ J ⁡ s ⁡ f ⁡ P ≤ ˙ W → G ∈ T
37 22 25 35 36 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → G ∈ T
38 1 9 11 tendocl ⊢ K ∈ HL ∧ W ∈ H ∧ p ∈ E ∧ G ∈ T → p ⁡ G ∈ T
39 22 23 37 38 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → p ⁡ G ∈ T
40 21 39 eqeltrd ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → i ∈ T
41 1 11 tendococl ⊢ K ∈ HL ∧ W ∈ H ∧ p ∈ E ∧ J ⁡ s ∈ E → p ∘ J ⁡ s ∈ E
42 22 23 30 41 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → p ∘ J ⁡ s ∈ E
43 simp1 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → K ∈ HL ∧ W ∈ H
44 24 3ad2ant1 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → P ∈ C ∧ ¬ P ≤ ˙ W
45 29 3adant2l ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → J ⁡ s ∈ E
46 simp2l ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → f ∈ T
47 43 45 46 32 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → J ⁡ s ⁡ f ∈ T
48 43 47 44 34 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → J ⁡ s ⁡ f ⁡ P ∈ C ∧ ¬ J ⁡ s ⁡ f ⁡ P ≤ ˙ W
49 43 44 48 36 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → G ∈ T
50 6 7 1 9 20 ltrniotaval ⊢ K ∈ HL ∧ W ∈ H ∧ P ∈ C ∧ ¬ P ≤ ˙ W ∧ J ⁡ s ⁡ f ⁡ P ∈ C ∧ ¬ J ⁡ s ⁡ f ⁡ P ≤ ˙ W → G ⁡ P = J ⁡ s ⁡ f ⁡ P
51 43 44 48 50 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → G ⁡ P = J ⁡ s ⁡ f ⁡ P
52 6 7 1 9 cdlemd ⊢ K ∈ HL ∧ W ∈ H ∧ G ∈ T ∧ J ⁡ s ⁡ f ∈ T ∧ P ∈ C ∧ ¬ P ≤ ˙ W ∧ G ⁡ P = J ⁡ s ⁡ f ⁡ P → G = J ⁡ s ⁡ f
53 43 49 47 44 51 52 syl311anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → G = J ⁡ s ⁡ f
54 53 adantr ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → G = J ⁡ s ⁡ f
55 54 fveq2d ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → p ⁡ G = p ⁡ J ⁡ s ⁡ f
56 1 9 11 tendocoval ⊢ K ∈ HL ∧ W ∈ H ∧ p ∈ E ∧ J ⁡ s ∈ E ∧ f ∈ T → p ∘ J ⁡ s ⁡ f = p ⁡ J ⁡ s ⁡ f
57 22 23 30 31 56 syl121anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → p ∘ J ⁡ s ⁡ f = p ⁡ J ⁡ s ⁡ f
58 55 21 57 3eqtr4d ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → i = p ∘ J ⁡ s ⁡ f
59 coass ⊢ p ∘ J ⁡ s ∘ s = p ∘ J ⁡ s ∘ s
60 5 1 9 11 12 2 13 14 tendolinv ⊢ K ∈ HL ∧ W ∈ H ∧ s ∈ E ∧ s ≠ O → J ⁡ s ∘ s = I ↾ T
61 22 26 27 60 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → J ⁡ s ∘ s = I ↾ T
62 61 coeq2d ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → p ∘ J ⁡ s ∘ s = p ∘ I ↾ T
63 1 9 11 tendo1mulr ⊢ K ∈ HL ∧ W ∈ H ∧ p ∈ E → p ∘ I ↾ T = p
64 22 23 63 syl2anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → p ∘ I ↾ T = p
65 62 64 eqtrd ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → p ∘ J ⁡ s ∘ s = p
66 59 65 eqtr2id ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → p = p ∘ J ⁡ s ∘ s
67 fveq1 ⊢ t = p ∘ J ⁡ s → t ⁡ f = p ∘ J ⁡ s ⁡ f
68 67 eqeq2d ⊢ t = p ∘ J ⁡ s → i = t ⁡ f ↔ i = p ∘ J ⁡ s ⁡ f
69 coeq1 ⊢ t = p ∘ J ⁡ s → t ∘ s = p ∘ J ⁡ s ∘ s
70 69 eqeq2d ⊢ t = p ∘ J ⁡ s → p = t ∘ s ↔ p = p ∘ J ⁡ s ∘ s
71 68 70 anbi12d ⊢ t = p ∘ J ⁡ s → i = t ⁡ f ∧ p = t ∘ s ↔ i = p ∘ J ⁡ s ⁡ f ∧ p = p ∘ J ⁡ s ∘ s
72 71 rspcev ⊢ p ∘ J ⁡ s ∈ E ∧ i = p ∘ J ⁡ s ⁡ f ∧ p = p ∘ J ⁡ s ∘ s → ∃ t ∈ E i = t ⁡ f ∧ p = t ∘ s
73 42 58 66 72 syl12anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → ∃ t ∈ E i = t ⁡ f ∧ p = t ∘ s
74 40 23 73 jca31 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i = p ⁡ G ∧ p ∈ E → i ∈ T ∧ p ∈ E ∧ ∃ t ∈ E i = t ⁡ f ∧ p = t ∘ s
75 simp3r ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → p = t ∘ s
76 75 fveq1d ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → p ⁡ J ⁡ s ⁡ f = t ∘ s ⁡ J ⁡ s ⁡ f
77 simp1l1 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → K ∈ HL ∧ W ∈ H
78 simp2 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → t ∈ E
79 simpl2r ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E → s ∈ E
80 79 3ad2ant1 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → s ∈ E
81 1 11 tendococl ⊢ K ∈ HL ∧ W ∈ H ∧ t ∈ E ∧ s ∈ E → t ∘ s ∈ E
82 77 78 80 81 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → t ∘ s ∈ E
83 simp1l3 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → s ≠ O
84 77 80 83 29 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → J ⁡ s ∈ E
85 simpl2l ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E → f ∈ T
86 85 3ad2ant1 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → f ∈ T
87 1 9 11 tendocoval ⊢ K ∈ HL ∧ W ∈ H ∧ t ∘ s ∈ E ∧ J ⁡ s ∈ E ∧ f ∈ T → t ∘ s ∘ J ⁡ s ⁡ f = t ∘ s ⁡ J ⁡ s ⁡ f
88 77 82 84 86 87 syl121anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → t ∘ s ∘ J ⁡ s ⁡ f = t ∘ s ⁡ J ⁡ s ⁡ f
89 coass ⊢ t ∘ s ∘ J ⁡ s = t ∘ s ∘ J ⁡ s
90 5 1 9 11 12 2 13 14 tendorinv ⊢ K ∈ HL ∧ W ∈ H ∧ s ∈ E ∧ s ≠ O → s ∘ J ⁡ s = I ↾ T
91 77 80 83 90 syl3anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → s ∘ J ⁡ s = I ↾ T
92 91 coeq2d ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → t ∘ s ∘ J ⁡ s = t ∘ I ↾ T
93 1 9 11 tendo1mulr ⊢ K ∈ HL ∧ W ∈ H ∧ t ∈ E → t ∘ I ↾ T = t
94 77 78 93 syl2anc ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → t ∘ I ↾ T = t
95 92 94 eqtrd ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → t ∘ s ∘ J ⁡ s = t
96 89 95 eqtrid ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → t ∘ s ∘ J ⁡ s = t
97 96 fveq1d ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → t ∘ s ∘ J ⁡ s ⁡ f = t ⁡ f
98 76 88 97 3eqtr2rd ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → t ⁡ f = p ⁡ J ⁡ s ⁡ f
99 simp3l ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → i = t ⁡ f
100 53 adantr ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E → G = J ⁡ s ⁡ f
101 100 3ad2ant1 ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → G = J ⁡ s ⁡ f
102 101 fveq2d ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → p ⁡ G = p ⁡ J ⁡ s ⁡ f
103 98 99 102 3eqtr4d ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ t ∈ E ∧ i = t ⁡ f ∧ p = t ∘ s → i = p ⁡ G
104 103 rexlimdv3a ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E → ∃ t ∈ E i = t ⁡ f ∧ p = t ∘ s → i = p ⁡ G
105 104 impr ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ ∃ t ∈ E i = t ⁡ f ∧ p = t ∘ s → i = p ⁡ G
106 simprlr ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ ∃ t ∈ E i = t ⁡ f ∧ p = t ∘ s → p ∈ E
107 105 106 jca ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O ∧ i ∈ T ∧ p ∈ E ∧ ∃ t ∈ E i = t ⁡ f ∧ p = t ∘ s → i = p ⁡ G ∧ p ∈ E
108 74 107 impbida ⊢ K ∈ HL ∧ W ∈ H ∧ f ∈ T ∧ s ∈ E ∧ s ≠ O → i = p ⁡ G ∧ p ∈ E ↔ i ∈ T ∧ p ∈ E ∧ ∃ t ∈ E i = t ⁡ f ∧ p = t ∘ s