Step |
Hyp |
Ref |
Expression |
1 |
|
hgt750lemg.f |
⊢ 𝐹 = ( 𝑐 ∈ 𝑅 ↦ ( 𝑐 ∘ 𝑇 ) ) |
2 |
|
hgt750lemg.t |
⊢ ( 𝜑 → 𝑇 : ( 0 ..^ 3 ) –1-1-onto→ ( 0 ..^ 3 ) ) |
3 |
|
hgt750lemg.n |
⊢ ( 𝜑 → 𝑁 : ( 0 ..^ 3 ) ⟶ ℕ ) |
4 |
|
hgt750lemg.l |
⊢ ( 𝜑 → 𝐿 : ℕ ⟶ ℝ ) |
5 |
|
hgt750lemg.1 |
⊢ ( 𝜑 → 𝑁 ∈ 𝑅 ) |
6 |
|
2fveq3 |
⊢ ( 𝑎 = ( 𝑇 ‘ 𝑏 ) → ( 𝐿 ‘ ( 𝑁 ‘ 𝑎 ) ) = ( 𝐿 ‘ ( 𝑁 ‘ ( 𝑇 ‘ 𝑏 ) ) ) ) |
7 |
|
tpfi |
⊢ { 0 , 1 , 2 } ∈ Fin |
8 |
7
|
a1i |
⊢ ( 𝜑 → { 0 , 1 , 2 } ∈ Fin ) |
9 |
|
fzo0to3tp |
⊢ ( 0 ..^ 3 ) = { 0 , 1 , 2 } |
10 |
|
f1oeq23 |
⊢ ( ( ( 0 ..^ 3 ) = { 0 , 1 , 2 } ∧ ( 0 ..^ 3 ) = { 0 , 1 , 2 } ) → ( 𝑇 : ( 0 ..^ 3 ) –1-1-onto→ ( 0 ..^ 3 ) ↔ 𝑇 : { 0 , 1 , 2 } –1-1-onto→ { 0 , 1 , 2 } ) ) |
11 |
9 9 10
|
mp2an |
⊢ ( 𝑇 : ( 0 ..^ 3 ) –1-1-onto→ ( 0 ..^ 3 ) ↔ 𝑇 : { 0 , 1 , 2 } –1-1-onto→ { 0 , 1 , 2 } ) |
12 |
2 11
|
sylib |
⊢ ( 𝜑 → 𝑇 : { 0 , 1 , 2 } –1-1-onto→ { 0 , 1 , 2 } ) |
13 |
|
eqidd |
⊢ ( ( 𝜑 ∧ 𝑏 ∈ { 0 , 1 , 2 } ) → ( 𝑇 ‘ 𝑏 ) = ( 𝑇 ‘ 𝑏 ) ) |
14 |
4
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑎 ∈ { 0 , 1 , 2 } ) → 𝐿 : ℕ ⟶ ℝ ) |
15 |
3
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑎 ∈ { 0 , 1 , 2 } ) → 𝑁 : ( 0 ..^ 3 ) ⟶ ℕ ) |
16 |
|
simpr |
⊢ ( ( 𝜑 ∧ 𝑎 ∈ { 0 , 1 , 2 } ) → 𝑎 ∈ { 0 , 1 , 2 } ) |
17 |
16 9
|
eleqtrrdi |
⊢ ( ( 𝜑 ∧ 𝑎 ∈ { 0 , 1 , 2 } ) → 𝑎 ∈ ( 0 ..^ 3 ) ) |
18 |
15 17
|
ffvelrnd |
⊢ ( ( 𝜑 ∧ 𝑎 ∈ { 0 , 1 , 2 } ) → ( 𝑁 ‘ 𝑎 ) ∈ ℕ ) |
19 |
14 18
|
ffvelrnd |
⊢ ( ( 𝜑 ∧ 𝑎 ∈ { 0 , 1 , 2 } ) → ( 𝐿 ‘ ( 𝑁 ‘ 𝑎 ) ) ∈ ℝ ) |
20 |
19
|
recnd |
⊢ ( ( 𝜑 ∧ 𝑎 ∈ { 0 , 1 , 2 } ) → ( 𝐿 ‘ ( 𝑁 ‘ 𝑎 ) ) ∈ ℂ ) |
21 |
6 8 12 13 20
|
fprodf1o |
⊢ ( 𝜑 → ∏ 𝑎 ∈ { 0 , 1 , 2 } ( 𝐿 ‘ ( 𝑁 ‘ 𝑎 ) ) = ∏ 𝑏 ∈ { 0 , 1 , 2 } ( 𝐿 ‘ ( 𝑁 ‘ ( 𝑇 ‘ 𝑏 ) ) ) ) |
22 |
1
|
a1i |
⊢ ( 𝜑 → 𝐹 = ( 𝑐 ∈ 𝑅 ↦ ( 𝑐 ∘ 𝑇 ) ) ) |
23 |
|
simpr |
⊢ ( ( 𝜑 ∧ 𝑐 = 𝑁 ) → 𝑐 = 𝑁 ) |
24 |
23
|
coeq1d |
⊢ ( ( 𝜑 ∧ 𝑐 = 𝑁 ) → ( 𝑐 ∘ 𝑇 ) = ( 𝑁 ∘ 𝑇 ) ) |
25 |
|
f1of |
⊢ ( 𝑇 : ( 0 ..^ 3 ) –1-1-onto→ ( 0 ..^ 3 ) → 𝑇 : ( 0 ..^ 3 ) ⟶ ( 0 ..^ 3 ) ) |
26 |
2 25
|
syl |
⊢ ( 𝜑 → 𝑇 : ( 0 ..^ 3 ) ⟶ ( 0 ..^ 3 ) ) |
27 |
|
ovexd |
⊢ ( 𝜑 → ( 0 ..^ 3 ) ∈ V ) |
28 |
|
fex2 |
⊢ ( ( 𝑇 : ( 0 ..^ 3 ) ⟶ ( 0 ..^ 3 ) ∧ ( 0 ..^ 3 ) ∈ V ∧ ( 0 ..^ 3 ) ∈ V ) → 𝑇 ∈ V ) |
29 |
26 27 27 28
|
syl3anc |
⊢ ( 𝜑 → 𝑇 ∈ V ) |
30 |
|
coexg |
⊢ ( ( 𝑁 ∈ 𝑅 ∧ 𝑇 ∈ V ) → ( 𝑁 ∘ 𝑇 ) ∈ V ) |
31 |
5 29 30
|
syl2anc |
⊢ ( 𝜑 → ( 𝑁 ∘ 𝑇 ) ∈ V ) |
32 |
22 24 5 31
|
fvmptd |
⊢ ( 𝜑 → ( 𝐹 ‘ 𝑁 ) = ( 𝑁 ∘ 𝑇 ) ) |
33 |
32
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑏 ∈ { 0 , 1 , 2 } ) → ( 𝐹 ‘ 𝑁 ) = ( 𝑁 ∘ 𝑇 ) ) |
34 |
33
|
fveq1d |
⊢ ( ( 𝜑 ∧ 𝑏 ∈ { 0 , 1 , 2 } ) → ( ( 𝐹 ‘ 𝑁 ) ‘ 𝑏 ) = ( ( 𝑁 ∘ 𝑇 ) ‘ 𝑏 ) ) |
35 |
|
f1ofun |
⊢ ( 𝑇 : ( 0 ..^ 3 ) –1-1-onto→ ( 0 ..^ 3 ) → Fun 𝑇 ) |
36 |
2 35
|
syl |
⊢ ( 𝜑 → Fun 𝑇 ) |
37 |
36
|
adantr |
⊢ ( ( 𝜑 ∧ 𝑏 ∈ { 0 , 1 , 2 } ) → Fun 𝑇 ) |
38 |
|
f1odm |
⊢ ( 𝑇 : { 0 , 1 , 2 } –1-1-onto→ { 0 , 1 , 2 } → dom 𝑇 = { 0 , 1 , 2 } ) |
39 |
12 38
|
syl |
⊢ ( 𝜑 → dom 𝑇 = { 0 , 1 , 2 } ) |
40 |
39
|
eleq2d |
⊢ ( 𝜑 → ( 𝑏 ∈ dom 𝑇 ↔ 𝑏 ∈ { 0 , 1 , 2 } ) ) |
41 |
40
|
biimpar |
⊢ ( ( 𝜑 ∧ 𝑏 ∈ { 0 , 1 , 2 } ) → 𝑏 ∈ dom 𝑇 ) |
42 |
|
fvco |
⊢ ( ( Fun 𝑇 ∧ 𝑏 ∈ dom 𝑇 ) → ( ( 𝑁 ∘ 𝑇 ) ‘ 𝑏 ) = ( 𝑁 ‘ ( 𝑇 ‘ 𝑏 ) ) ) |
43 |
37 41 42
|
syl2anc |
⊢ ( ( 𝜑 ∧ 𝑏 ∈ { 0 , 1 , 2 } ) → ( ( 𝑁 ∘ 𝑇 ) ‘ 𝑏 ) = ( 𝑁 ‘ ( 𝑇 ‘ 𝑏 ) ) ) |
44 |
34 43
|
eqtr2d |
⊢ ( ( 𝜑 ∧ 𝑏 ∈ { 0 , 1 , 2 } ) → ( 𝑁 ‘ ( 𝑇 ‘ 𝑏 ) ) = ( ( 𝐹 ‘ 𝑁 ) ‘ 𝑏 ) ) |
45 |
44
|
fveq2d |
⊢ ( ( 𝜑 ∧ 𝑏 ∈ { 0 , 1 , 2 } ) → ( 𝐿 ‘ ( 𝑁 ‘ ( 𝑇 ‘ 𝑏 ) ) ) = ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 𝑏 ) ) ) |
46 |
45
|
prodeq2dv |
⊢ ( 𝜑 → ∏ 𝑏 ∈ { 0 , 1 , 2 } ( 𝐿 ‘ ( 𝑁 ‘ ( 𝑇 ‘ 𝑏 ) ) ) = ∏ 𝑏 ∈ { 0 , 1 , 2 } ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 𝑏 ) ) ) |
47 |
21 46
|
eqtr2d |
⊢ ( 𝜑 → ∏ 𝑏 ∈ { 0 , 1 , 2 } ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 𝑏 ) ) = ∏ 𝑎 ∈ { 0 , 1 , 2 } ( 𝐿 ‘ ( 𝑁 ‘ 𝑎 ) ) ) |
48 |
|
2fveq3 |
⊢ ( 𝑏 = 0 → ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 𝑏 ) ) = ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) ) ) |
49 |
|
2fveq3 |
⊢ ( 𝑏 = 1 → ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 𝑏 ) ) = ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) ) ) |
50 |
|
c0ex |
⊢ 0 ∈ V |
51 |
50
|
a1i |
⊢ ( 𝜑 → 0 ∈ V ) |
52 |
|
1ex |
⊢ 1 ∈ V |
53 |
52
|
a1i |
⊢ ( 𝜑 → 1 ∈ V ) |
54 |
32
|
fveq1d |
⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) = ( ( 𝑁 ∘ 𝑇 ) ‘ 0 ) ) |
55 |
50
|
tpid1 |
⊢ 0 ∈ { 0 , 1 , 2 } |
56 |
55 39
|
eleqtrrid |
⊢ ( 𝜑 → 0 ∈ dom 𝑇 ) |
57 |
|
fvco |
⊢ ( ( Fun 𝑇 ∧ 0 ∈ dom 𝑇 ) → ( ( 𝑁 ∘ 𝑇 ) ‘ 0 ) = ( 𝑁 ‘ ( 𝑇 ‘ 0 ) ) ) |
58 |
36 56 57
|
syl2anc |
⊢ ( 𝜑 → ( ( 𝑁 ∘ 𝑇 ) ‘ 0 ) = ( 𝑁 ‘ ( 𝑇 ‘ 0 ) ) ) |
59 |
54 58
|
eqtrd |
⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) = ( 𝑁 ‘ ( 𝑇 ‘ 0 ) ) ) |
60 |
55 9
|
eleqtrri |
⊢ 0 ∈ ( 0 ..^ 3 ) |
61 |
60
|
a1i |
⊢ ( 𝜑 → 0 ∈ ( 0 ..^ 3 ) ) |
62 |
26 61
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝑇 ‘ 0 ) ∈ ( 0 ..^ 3 ) ) |
63 |
3 62
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝑁 ‘ ( 𝑇 ‘ 0 ) ) ∈ ℕ ) |
64 |
59 63
|
eqeltrd |
⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) ∈ ℕ ) |
65 |
4 64
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) ) ∈ ℝ ) |
66 |
65
|
recnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) ) ∈ ℂ ) |
67 |
32
|
fveq1d |
⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) = ( ( 𝑁 ∘ 𝑇 ) ‘ 1 ) ) |
68 |
52
|
tpid2 |
⊢ 1 ∈ { 0 , 1 , 2 } |
69 |
68 39
|
eleqtrrid |
⊢ ( 𝜑 → 1 ∈ dom 𝑇 ) |
70 |
|
fvco |
⊢ ( ( Fun 𝑇 ∧ 1 ∈ dom 𝑇 ) → ( ( 𝑁 ∘ 𝑇 ) ‘ 1 ) = ( 𝑁 ‘ ( 𝑇 ‘ 1 ) ) ) |
71 |
36 69 70
|
syl2anc |
⊢ ( 𝜑 → ( ( 𝑁 ∘ 𝑇 ) ‘ 1 ) = ( 𝑁 ‘ ( 𝑇 ‘ 1 ) ) ) |
72 |
67 71
|
eqtrd |
⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) = ( 𝑁 ‘ ( 𝑇 ‘ 1 ) ) ) |
73 |
68 9
|
eleqtrri |
⊢ 1 ∈ ( 0 ..^ 3 ) |
74 |
73
|
a1i |
⊢ ( 𝜑 → 1 ∈ ( 0 ..^ 3 ) ) |
75 |
26 74
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝑇 ‘ 1 ) ∈ ( 0 ..^ 3 ) ) |
76 |
3 75
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝑁 ‘ ( 𝑇 ‘ 1 ) ) ∈ ℕ ) |
77 |
72 76
|
eqeltrd |
⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) ∈ ℕ ) |
78 |
4 77
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) ) ∈ ℝ ) |
79 |
78
|
recnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) ) ∈ ℂ ) |
80 |
|
0ne1 |
⊢ 0 ≠ 1 |
81 |
80
|
a1i |
⊢ ( 𝜑 → 0 ≠ 1 ) |
82 |
|
2fveq3 |
⊢ ( 𝑏 = 2 → ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 𝑏 ) ) = ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) ) ) |
83 |
|
2ex |
⊢ 2 ∈ V |
84 |
83
|
a1i |
⊢ ( 𝜑 → 2 ∈ V ) |
85 |
32
|
fveq1d |
⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) = ( ( 𝑁 ∘ 𝑇 ) ‘ 2 ) ) |
86 |
83
|
tpid3 |
⊢ 2 ∈ { 0 , 1 , 2 } |
87 |
86 39
|
eleqtrrid |
⊢ ( 𝜑 → 2 ∈ dom 𝑇 ) |
88 |
|
fvco |
⊢ ( ( Fun 𝑇 ∧ 2 ∈ dom 𝑇 ) → ( ( 𝑁 ∘ 𝑇 ) ‘ 2 ) = ( 𝑁 ‘ ( 𝑇 ‘ 2 ) ) ) |
89 |
36 87 88
|
syl2anc |
⊢ ( 𝜑 → ( ( 𝑁 ∘ 𝑇 ) ‘ 2 ) = ( 𝑁 ‘ ( 𝑇 ‘ 2 ) ) ) |
90 |
85 89
|
eqtrd |
⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) = ( 𝑁 ‘ ( 𝑇 ‘ 2 ) ) ) |
91 |
86 9
|
eleqtrri |
⊢ 2 ∈ ( 0 ..^ 3 ) |
92 |
91
|
a1i |
⊢ ( 𝜑 → 2 ∈ ( 0 ..^ 3 ) ) |
93 |
26 92
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝑇 ‘ 2 ) ∈ ( 0 ..^ 3 ) ) |
94 |
3 93
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝑁 ‘ ( 𝑇 ‘ 2 ) ) ∈ ℕ ) |
95 |
90 94
|
eqeltrd |
⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) ∈ ℕ ) |
96 |
4 95
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) ) ∈ ℝ ) |
97 |
96
|
recnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) ) ∈ ℂ ) |
98 |
|
0ne2 |
⊢ 0 ≠ 2 |
99 |
98
|
a1i |
⊢ ( 𝜑 → 0 ≠ 2 ) |
100 |
|
1ne2 |
⊢ 1 ≠ 2 |
101 |
100
|
a1i |
⊢ ( 𝜑 → 1 ≠ 2 ) |
102 |
48 49 51 53 66 79 81 82 84 97 99 101
|
prodtp |
⊢ ( 𝜑 → ∏ 𝑏 ∈ { 0 , 1 , 2 } ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 𝑏 ) ) = ( ( ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) ) · ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) ) ) · ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) ) ) ) |
103 |
|
2fveq3 |
⊢ ( 𝑎 = 0 → ( 𝐿 ‘ ( 𝑁 ‘ 𝑎 ) ) = ( 𝐿 ‘ ( 𝑁 ‘ 0 ) ) ) |
104 |
|
2fveq3 |
⊢ ( 𝑎 = 1 → ( 𝐿 ‘ ( 𝑁 ‘ 𝑎 ) ) = ( 𝐿 ‘ ( 𝑁 ‘ 1 ) ) ) |
105 |
3 61
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝑁 ‘ 0 ) ∈ ℕ ) |
106 |
4 105
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( 𝑁 ‘ 0 ) ) ∈ ℝ ) |
107 |
106
|
recnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( 𝑁 ‘ 0 ) ) ∈ ℂ ) |
108 |
3 74
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝑁 ‘ 1 ) ∈ ℕ ) |
109 |
4 108
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( 𝑁 ‘ 1 ) ) ∈ ℝ ) |
110 |
109
|
recnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( 𝑁 ‘ 1 ) ) ∈ ℂ ) |
111 |
|
2fveq3 |
⊢ ( 𝑎 = 2 → ( 𝐿 ‘ ( 𝑁 ‘ 𝑎 ) ) = ( 𝐿 ‘ ( 𝑁 ‘ 2 ) ) ) |
112 |
3 92
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝑁 ‘ 2 ) ∈ ℕ ) |
113 |
4 112
|
ffvelrnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( 𝑁 ‘ 2 ) ) ∈ ℝ ) |
114 |
113
|
recnd |
⊢ ( 𝜑 → ( 𝐿 ‘ ( 𝑁 ‘ 2 ) ) ∈ ℂ ) |
115 |
103 104 51 53 107 110 81 111 84 114 99 101
|
prodtp |
⊢ ( 𝜑 → ∏ 𝑎 ∈ { 0 , 1 , 2 } ( 𝐿 ‘ ( 𝑁 ‘ 𝑎 ) ) = ( ( ( 𝐿 ‘ ( 𝑁 ‘ 0 ) ) · ( 𝐿 ‘ ( 𝑁 ‘ 1 ) ) ) · ( 𝐿 ‘ ( 𝑁 ‘ 2 ) ) ) ) |
116 |
47 102 115
|
3eqtr3d |
⊢ ( 𝜑 → ( ( ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) ) · ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) ) ) · ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) ) ) = ( ( ( 𝐿 ‘ ( 𝑁 ‘ 0 ) ) · ( 𝐿 ‘ ( 𝑁 ‘ 1 ) ) ) · ( 𝐿 ‘ ( 𝑁 ‘ 2 ) ) ) ) |
117 |
66 79 97
|
mulassd |
⊢ ( 𝜑 → ( ( ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) ) · ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) ) ) · ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) ) ) = ( ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) ) · ( ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) ) · ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) ) ) ) ) |
118 |
107 110 114
|
mulassd |
⊢ ( 𝜑 → ( ( ( 𝐿 ‘ ( 𝑁 ‘ 0 ) ) · ( 𝐿 ‘ ( 𝑁 ‘ 1 ) ) ) · ( 𝐿 ‘ ( 𝑁 ‘ 2 ) ) ) = ( ( 𝐿 ‘ ( 𝑁 ‘ 0 ) ) · ( ( 𝐿 ‘ ( 𝑁 ‘ 1 ) ) · ( 𝐿 ‘ ( 𝑁 ‘ 2 ) ) ) ) ) |
119 |
116 117 118
|
3eqtr3d |
⊢ ( 𝜑 → ( ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 0 ) ) · ( ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 1 ) ) · ( 𝐿 ‘ ( ( 𝐹 ‘ 𝑁 ) ‘ 2 ) ) ) ) = ( ( 𝐿 ‘ ( 𝑁 ‘ 0 ) ) · ( ( 𝐿 ‘ ( 𝑁 ‘ 1 ) ) · ( 𝐿 ‘ ( 𝑁 ‘ 2 ) ) ) ) ) |