Metamath Proof Explorer


Theorem nmoleub2lem3

Description: Lemma for nmoleub2a and similar theorems. (Contributed by Mario Carneiro, 19-Oct-2015) (Proof shortened by AV, 29-Sep-2021)

Ref Expression
Hypotheses nmoleub2.n ⊢ N = S normOp T
nmoleub2.v ⊢ V = Base S
nmoleub2.l ⊢ L = norm ⁡ S
nmoleub2.m ⊢ M = norm ⁡ T
nmoleub2.g ⊢ G = Scalar ⁡ S
nmoleub2.w ⊢ K = Base G
nmoleub2.s ⊢ φ → S ∈ NrmMod ∩ CMod
nmoleub2.t ⊢ φ → T ∈ NrmMod ∩ CMod
nmoleub2.f ⊢ φ → F ∈ S LMHom T
nmoleub2.a ⊢ φ → A ∈ ℝ *
nmoleub2.r ⊢ φ → R ∈ ℝ +
nmoleub2a.5 ⊢ φ → ℚ ⊆ K
nmoleub2lem3.p ⊢ · ˙ = ⋅ S
nmoleub2lem3.1 ⊢ φ → A ∈ ℝ
nmoleub2lem3.2 ⊢ φ → 0 ≤ A
nmoleub2lem3.3 ⊢ φ → B ∈ V
nmoleub2lem3.4 ⊢ φ → B ≠ 0 S
nmoleub2lem3.5 ⊢ φ → r · ˙ B ∈ V → L ⁡ r · ˙ B < R → M ⁡ F ⁡ r · ˙ B R ≤ A
nmoleub2lem3.6 ⊢ φ → ¬ M ⁡ F ⁡ B ≤ A ⁢ L ⁡ B
Assertion nmoleub2lem3 ⊢ ¬ φ

Proof

Step Hyp Ref Expression
1 nmoleub2.n ⊢ N = S normOp T
2 nmoleub2.v ⊢ V = Base S
3 nmoleub2.l ⊢ L = norm ⁡ S
4 nmoleub2.m ⊢ M = norm ⁡ T
5 nmoleub2.g ⊢ G = Scalar ⁡ S
6 nmoleub2.w ⊢ K = Base G
7 nmoleub2.s ⊢ φ → S ∈ NrmMod ∩ CMod
8 nmoleub2.t ⊢ φ → T ∈ NrmMod ∩ CMod
9 nmoleub2.f ⊢ φ → F ∈ S LMHom T
10 nmoleub2.a ⊢ φ → A ∈ ℝ *
11 nmoleub2.r ⊢ φ → R ∈ ℝ +
12 nmoleub2a.5 ⊢ φ → ℚ ⊆ K
13 nmoleub2lem3.p ⊢ · ˙ = ⋅ S
14 nmoleub2lem3.1 ⊢ φ → A ∈ ℝ
15 nmoleub2lem3.2 ⊢ φ → 0 ≤ A
16 nmoleub2lem3.3 ⊢ φ → B ∈ V
17 nmoleub2lem3.4 ⊢ φ → B ≠ 0 S
18 nmoleub2lem3.5 ⊢ φ → r · ˙ B ∈ V → L ⁡ r · ˙ B < R → M ⁡ F ⁡ r · ˙ B R ≤ A
19 nmoleub2lem3.6 ⊢ φ → ¬ M ⁡ F ⁡ B ≤ A ⁢ L ⁡ B
20 simprl ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → A ⁢ R M ⁡ F ⁡ B < r
21 qre ⊢ r ∈ ℚ → r ∈ ℝ
22 21 ad2antlr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ∈ ℝ
23 11 rpred ⊢ φ → R ∈ ℝ
24 14 23 remulcld ⊢ φ → A ⁢ R ∈ ℝ
25 8 elin1d ⊢ φ → T ∈ NrmMod
26 nlmngp ⊢ T ∈ NrmMod → T ∈ NrmGrp
27 25 26 syl ⊢ φ → T ∈ NrmGrp
28 eqid ⊢ Base T = Base T
29 2 28 lmhmf ⊢ F ∈ S LMHom T → F : V ⟶ Base T
30 9 29 syl ⊢ φ → F : V ⟶ Base T
31 30 16 ffvelcdmd ⊢ φ → F ⁡ B ∈ Base T
32 28 4 nmcl ⊢ T ∈ NrmGrp ∧ F ⁡ B ∈ Base T → M ⁡ F ⁡ B ∈ ℝ
33 27 31 32 syl2anc ⊢ φ → M ⁡ F ⁡ B ∈ ℝ
34 0red ⊢ φ → 0 ∈ ℝ
35 7 elin1d ⊢ φ → S ∈ NrmMod
36 nlmngp ⊢ S ∈ NrmMod → S ∈ NrmGrp
37 35 36 syl ⊢ φ → S ∈ NrmGrp
38 2 3 nmcl ⊢ S ∈ NrmGrp ∧ B ∈ V → L ⁡ B ∈ ℝ
39 37 16 38 syl2anc ⊢ φ → L ⁡ B ∈ ℝ
40 14 39 remulcld ⊢ φ → A ⁢ L ⁡ B ∈ ℝ
41 2 3 nmge0 ⊢ S ∈ NrmGrp ∧ B ∈ V → 0 ≤ L ⁡ B
42 37 16 41 syl2anc ⊢ φ → 0 ≤ L ⁡ B
43 14 39 15 42 mulge0d ⊢ φ → 0 ≤ A ⁢ L ⁡ B
44 40 33 ltnled ⊢ φ → A ⁢ L ⁡ B < M ⁡ F ⁡ B ↔ ¬ M ⁡ F ⁡ B ≤ A ⁢ L ⁡ B
45 19 44 mpbird ⊢ φ → A ⁢ L ⁡ B < M ⁡ F ⁡ B
46 34 40 33 43 45 lelttrd ⊢ φ → 0 < M ⁡ F ⁡ B
47 33 46 elrpd ⊢ φ → M ⁡ F ⁡ B ∈ ℝ +
48 24 47 rerpdivcld ⊢ φ → A ⁢ R M ⁡ F ⁡ B ∈ ℝ
49 48 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → A ⁢ R M ⁡ F ⁡ B ∈ ℝ
50 9 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → F ∈ S LMHom T
51 12 sselda ⊢ φ ∧ r ∈ ℚ → r ∈ K
52 51 adantr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ∈ K
53 16 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → B ∈ V
54 eqid ⊢ ⋅ T = ⋅ T
55 5 6 2 13 54 lmhmlin ⊢ F ∈ S LMHom T ∧ r ∈ K ∧ B ∈ V → F ⁡ r · ˙ B = r ⋅ T F ⁡ B
56 50 52 53 55 syl3anc ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → F ⁡ r · ˙ B = r ⋅ T F ⁡ B
57 56 fveq2d ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → M ⁡ F ⁡ r · ˙ B = M ⁡ r ⋅ T F ⁡ B
58 25 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → T ∈ NrmMod
59 eqid ⊢ Scalar ⁡ T = Scalar ⁡ T
60 5 59 lmhmsca ⊢ F ∈ S LMHom T → Scalar ⁡ T = G
61 50 60 syl ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → Scalar ⁡ T = G
62 61 fveq2d ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → Base Scalar ⁡ T = Base G
63 62 6 eqtr4di ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → Base Scalar ⁡ T = K
64 52 63 eleqtrrd ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ∈ Base Scalar ⁡ T
65 31 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → F ⁡ B ∈ Base T
66 eqid ⊢ Base Scalar ⁡ T = Base Scalar ⁡ T
67 eqid ⊢ norm ⁡ Scalar ⁡ T = norm ⁡ Scalar ⁡ T
68 28 4 54 59 66 67 nmvs ⊢ T ∈ NrmMod ∧ r ∈ Base Scalar ⁡ T ∧ F ⁡ B ∈ Base T → M ⁡ r ⋅ T F ⁡ B = norm ⁡ Scalar ⁡ T ⁡ r ⁢ M ⁡ F ⁡ B
69 58 64 65 68 syl3anc ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → M ⁡ r ⋅ T F ⁡ B = norm ⁡ Scalar ⁡ T ⁡ r ⁢ M ⁡ F ⁡ B
70 61 fveq2d ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → norm ⁡ Scalar ⁡ T = norm ⁡ G
71 70 fveq1d ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → norm ⁡ Scalar ⁡ T ⁡ r = norm ⁡ G ⁡ r
72 7 elin2d ⊢ φ → S ∈ CMod
73 72 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → S ∈ CMod
74 5 6 clmabs ⊢ S ∈ CMod ∧ r ∈ K → r = norm ⁡ G ⁡ r
75 73 52 74 syl2anc ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r = norm ⁡ G ⁡ r
76 0red ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → 0 ∈ ℝ
77 11 rpge0d ⊢ φ → 0 ≤ R
78 14 23 15 77 mulge0d ⊢ φ → 0 ≤ A ⁢ R
79 divge0 ⊢ A ⁢ R ∈ ℝ ∧ 0 ≤ A ⁢ R ∧ M ⁡ F ⁡ B ∈ ℝ ∧ 0 < M ⁡ F ⁡ B → 0 ≤ A ⁢ R M ⁡ F ⁡ B
80 24 78 33 46 79 syl22anc ⊢ φ → 0 ≤ A ⁢ R M ⁡ F ⁡ B
81 80 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → 0 ≤ A ⁢ R M ⁡ F ⁡ B
82 76 49 22 81 20 lelttrd ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → 0 < r
83 76 22 82 ltled ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → 0 ≤ r
84 22 83 absidd ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r = r
85 75 84 eqtr3d ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → norm ⁡ G ⁡ r = r
86 71 85 eqtrd ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → norm ⁡ Scalar ⁡ T ⁡ r = r
87 86 oveq1d ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → norm ⁡ Scalar ⁡ T ⁡ r ⁢ M ⁡ F ⁡ B = r ⁢ M ⁡ F ⁡ B
88 57 69 87 3eqtrd ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → M ⁡ F ⁡ r · ˙ B = r ⁢ M ⁡ F ⁡ B
89 88 oveq1d ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → M ⁡ F ⁡ r · ˙ B R = r ⁢ M ⁡ F ⁡ B R
90 2 5 13 6 clmvscl ⊢ S ∈ CMod ∧ r ∈ K ∧ B ∈ V → r · ˙ B ∈ V
91 73 52 53 90 syl3anc ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r · ˙ B ∈ V
92 35 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → S ∈ NrmMod
93 eqid ⊢ norm ⁡ G = norm ⁡ G
94 2 3 13 5 6 93 nmvs ⊢ S ∈ NrmMod ∧ r ∈ K ∧ B ∈ V → L ⁡ r · ˙ B = norm ⁡ G ⁡ r ⁢ L ⁡ B
95 92 52 53 94 syl3anc ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → L ⁡ r · ˙ B = norm ⁡ G ⁡ r ⁢ L ⁡ B
96 85 oveq1d ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → norm ⁡ G ⁡ r ⁢ L ⁡ B = r ⁢ L ⁡ B
97 95 96 eqtrd ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → L ⁡ r · ˙ B = r ⁢ L ⁡ B
98 simprr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r < R L ⁡ B
99 23 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → R ∈ ℝ
100 eqid ⊢ 0 S = 0 S
101 2 3 100 nmrpcl ⊢ S ∈ NrmGrp ∧ B ∈ V ∧ B ≠ 0 S → L ⁡ B ∈ ℝ +
102 37 16 17 101 syl3anc ⊢ φ → L ⁡ B ∈ ℝ +
103 102 rpregt0d ⊢ φ → L ⁡ B ∈ ℝ ∧ 0 < L ⁡ B
104 103 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → L ⁡ B ∈ ℝ ∧ 0 < L ⁡ B
105 ltmuldiv ⊢ r ∈ ℝ ∧ R ∈ ℝ ∧ L ⁡ B ∈ ℝ ∧ 0 < L ⁡ B → r ⁢ L ⁡ B < R ↔ r < R L ⁡ B
106 22 99 104 105 syl3anc ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ⁢ L ⁡ B < R ↔ r < R L ⁡ B
107 98 106 mpbird ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ⁢ L ⁡ B < R
108 97 107 eqbrtrd ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → L ⁡ r · ˙ B < R
109 18 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r · ˙ B ∈ V → L ⁡ r · ˙ B < R → M ⁡ F ⁡ r · ˙ B R ≤ A
110 91 108 109 mp2d ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → M ⁡ F ⁡ r · ˙ B R ≤ A
111 89 110 eqbrtrrd ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ⁢ M ⁡ F ⁡ B R ≤ A
112 33 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → M ⁡ F ⁡ B ∈ ℝ
113 22 112 remulcld ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ⁢ M ⁡ F ⁡ B ∈ ℝ
114 14 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → A ∈ ℝ
115 11 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → R ∈ ℝ +
116 113 114 115 ledivmul2d ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ⁢ M ⁡ F ⁡ B R ≤ A ↔ r ⁢ M ⁡ F ⁡ B ≤ A ⁢ R
117 111 116 mpbid ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ⁢ M ⁡ F ⁡ B ≤ A ⁢ R
118 114 99 remulcld ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → A ⁢ R ∈ ℝ
119 33 46 jca ⊢ φ → M ⁡ F ⁡ B ∈ ℝ ∧ 0 < M ⁡ F ⁡ B
120 119 ad2antrr ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → M ⁡ F ⁡ B ∈ ℝ ∧ 0 < M ⁡ F ⁡ B
121 lemuldiv ⊢ r ∈ ℝ ∧ A ⁢ R ∈ ℝ ∧ M ⁡ F ⁡ B ∈ ℝ ∧ 0 < M ⁡ F ⁡ B → r ⁢ M ⁡ F ⁡ B ≤ A ⁢ R ↔ r ≤ A ⁢ R M ⁡ F ⁡ B
122 22 118 120 121 syl3anc ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ⁢ M ⁡ F ⁡ B ≤ A ⁢ R ↔ r ≤ A ⁢ R M ⁡ F ⁡ B
123 117 122 mpbid ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → r ≤ A ⁢ R M ⁡ F ⁡ B
124 22 49 123 lensymd ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → ¬ A ⁢ R M ⁡ F ⁡ B < r
125 20 124 pm2.21dd ⊢ φ ∧ r ∈ ℚ ∧ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B → M ⁡ F ⁡ B ≤ A ⁢ L ⁡ B
126 23 102 rerpdivcld ⊢ φ → R L ⁡ B ∈ ℝ
127 14 recnd ⊢ φ → A ∈ ℂ
128 23 recnd ⊢ φ → R ∈ ℂ
129 39 recnd ⊢ φ → L ⁡ B ∈ ℂ
130 mulass ⊢ A ∈ ℂ ∧ R ∈ ℂ ∧ L ⁡ B ∈ ℂ → A ⁢ R ⁢ L ⁡ B = A ⁢ R ⁢ L ⁡ B
131 mul12 ⊢ A ∈ ℂ ∧ R ∈ ℂ ∧ L ⁡ B ∈ ℂ → A ⁢ R ⁢ L ⁡ B = R ⁢ A ⁢ L ⁡ B
132 130 131 eqtrd ⊢ A ∈ ℂ ∧ R ∈ ℂ ∧ L ⁡ B ∈ ℂ → A ⁢ R ⁢ L ⁡ B = R ⁢ A ⁢ L ⁡ B
133 127 128 129 132 syl3anc ⊢ φ → A ⁢ R ⁢ L ⁡ B = R ⁢ A ⁢ L ⁡ B
134 40 33 11 45 ltmul2dd ⊢ φ → R ⁢ A ⁢ L ⁡ B < R ⁢ M ⁡ F ⁡ B
135 133 134 eqbrtrd ⊢ φ → A ⁢ R ⁢ L ⁡ B < R ⁢ M ⁡ F ⁡ B
136 lt2mul2div ⊢ A ⁢ R ∈ ℝ ∧ L ⁡ B ∈ ℝ ∧ 0 < L ⁡ B ∧ R ∈ ℝ ∧ M ⁡ F ⁡ B ∈ ℝ ∧ 0 < M ⁡ F ⁡ B → A ⁢ R ⁢ L ⁡ B < R ⁢ M ⁡ F ⁡ B ↔ A ⁢ R M ⁡ F ⁡ B < R L ⁡ B
137 24 103 23 119 136 syl22anc ⊢ φ → A ⁢ R ⁢ L ⁡ B < R ⁢ M ⁡ F ⁡ B ↔ A ⁢ R M ⁡ F ⁡ B < R L ⁡ B
138 135 137 mpbid ⊢ φ → A ⁢ R M ⁡ F ⁡ B < R L ⁡ B
139 qbtwnre ⊢ A ⁢ R M ⁡ F ⁡ B ∈ ℝ ∧ R L ⁡ B ∈ ℝ ∧ A ⁢ R M ⁡ F ⁡ B < R L ⁡ B → ∃ r ∈ ℚ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B
140 48 126 138 139 syl3anc ⊢ φ → ∃ r ∈ ℚ A ⁢ R M ⁡ F ⁡ B < r ∧ r < R L ⁡ B
141 125 140 r19.29a ⊢ φ → M ⁡ F ⁡ B ≤ A ⁢ L ⁡ B
142 141 19 pm2.65i ⊢ ¬ φ