Step | Hyp | Ref
| Expression |
1 | | mbfmul.1 |
. . . . 5
 MblFn |
2 | | mbff 23394 |
. . . . 5
 MblFn       |
3 | 1, 2 | syl 17 |
. . . 4
       |
4 | | ffn 6045 |
. . . 4
       |
5 | 3, 4 | syl 17 |
. . 3
   |
6 | | mbfmul.2 |
. . . . 5
 MblFn |
7 | | mbff 23394 |
. . . . 5
 MblFn       |
8 | 6, 7 | syl 17 |
. . . 4
       |
9 | | ffn 6045 |
. . . 4
       |
10 | 8, 9 | syl 17 |
. . 3
   |
11 | | mbfdm 23395 |
. . . 4
 MblFn
  |
12 | 1, 11 | syl 17 |
. . 3
   |
13 | | mbfdm 23395 |
. . . 4
 MblFn
  |
14 | 6, 13 | syl 17 |
. . 3
   |
15 | | eqid 2622 |
. . 3

    |
16 | | eqidd 2623 |
. . 3
 
           |
17 | | eqidd 2623 |
. . 3
 
           |
18 | 5, 10, 12, 14, 15, 16, 17 | offval 6904 |
. 2
                    |
19 | | elin 3796 |
. . . . . . . . 9
  
    |
20 | 19 | simplbi 476 |
. . . . . . . 8
  
  |
21 | | ffvelrn 6357 |
. . . . . . . 8
      
      |
22 | 3, 20, 21 | syl2an 494 |
. . . . . . 7
 
         |
23 | 19 | simprbi 480 |
. . . . . . . 8
  
  |
24 | | ffvelrn 6357 |
. . . . . . . 8
      
      |
25 | 8, 23, 24 | syl2an 494 |
. . . . . . 7
 
         |
26 | 22, 25 | remuld 13958 |
. . . . . 6
 
                                                         |
27 | 26 | mpteq2dva 4744 |
. . . . 5
                                                               |
28 | | inmbl 23310 |
. . . . . . 7
 
     |
29 | 12, 14, 28 | syl2anc 693 |
. . . . . 6
     |
30 | | ovexd 6680 |
. . . . . 6
 
                       |
31 | | ovexd 6680 |
. . . . . 6
 
                       |
32 | 22 | recld 13934 |
. . . . . . 7
 
             |
33 | 25 | recld 13934 |
. . . . . . 7
 
             |
34 | | eqidd 2623 |
. . . . . . 7
              
            |
35 | | eqidd 2623 |
. . . . . . 7
              
            |
36 | 29, 32, 33, 34, 35 | offval2 6914 |
. . . . . 6
                
                                   |
37 | 22 | imcld 13935 |
. . . . . . 7
 
             |
38 | 25 | imcld 13935 |
. . . . . . 7
 
             |
39 | | eqidd 2623 |
. . . . . . 7
              
            |
40 | | eqidd 2623 |
. . . . . . 7
              
            |
41 | 29, 37, 38, 39, 40 | offval2 6914 |
. . . . . 6
                
                                   |
42 | 29, 30, 31, 36, 41 | offval2 6914 |
. . . . 5
                                
                          
                                          |
43 | 27, 42 | eqtr4d 2659 |
. . . 4
                                                  
                           |
44 | | inss1 3833 |
. . . . . . . . . 10


 |
45 | | resmpt 5449 |
. . . . . . . . . 10
  
 
                  |
46 | 44, 45 | ax-mp 5 |
. . . . . . . . 9
           
       |
47 | 3 | feqmptd 6249 |
. . . . . . . . . . 11
         |
48 | 47, 1 | eqeltrrd 2702 |
. . . . . . . . . 10
       MblFn |
49 | | mbfres 23411 |
. . . . . . . . . 10
        MblFn          

 
MblFn |
50 | 48, 29, 49 | syl2anc 693 |
. . . . . . . . 9
  
        MblFn |
51 | 46, 50 | syl5eqelr 2706 |
. . . . . . . 8
         MblFn |
52 | 22 | ismbfcn2 23406 |
. . . . . . . 8
          MblFn              MblFn
            MblFn   |
53 | 51, 52 | mpbid 222 |
. . . . . . 7
              MblFn
            MblFn  |
54 | 53 | simpld 475 |
. . . . . 6
             MblFn |
55 | | inss2 3834 |
. . . . . . . . . 10


 |
56 | | resmpt 5449 |
. . . . . . . . . 10
  
 
                  |
57 | 55, 56 | ax-mp 5 |
. . . . . . . . 9
           
       |
58 | 8 | feqmptd 6249 |
. . . . . . . . . . 11
         |
59 | 58, 6 | eqeltrrd 2702 |
. . . . . . . . . 10
       MblFn |
60 | | mbfres 23411 |
. . . . . . . . . 10
        MblFn          

 
MblFn |
61 | 59, 29, 60 | syl2anc 693 |
. . . . . . . . 9
  
        MblFn |
62 | 57, 61 | syl5eqelr 2706 |
. . . . . . . 8
         MblFn |
63 | 25 | ismbfcn2 23406 |
. . . . . . . 8
          MblFn              MblFn
            MblFn   |
64 | 62, 63 | mpbid 222 |
. . . . . . 7
              MblFn
            MblFn  |
65 | 64 | simpld 475 |
. . . . . 6
             MblFn |
66 | | eqid 2622 |
. . . . . . 7
                         |
67 | 32, 66 | fmptd 6385 |
. . . . . 6
                     |
68 | | eqid 2622 |
. . . . . . 7
                         |
69 | 33, 68 | fmptd 6385 |
. . . . . 6
                     |
70 | 54, 65, 67, 69 | mbfmullem 23492 |
. . . . 5
                
           MblFn |
71 | 53 | simprd 479 |
. . . . . 6
             MblFn |
72 | 64 | simprd 479 |
. . . . . 6
             MblFn |
73 | | eqid 2622 |
. . . . . . 7
                         |
74 | 37, 73 | fmptd 6385 |
. . . . . 6
                     |
75 | | eqid 2622 |
. . . . . . 7
                         |
76 | 38, 75 | fmptd 6385 |
. . . . . 6
                     |
77 | 71, 72, 74, 76 | mbfmullem 23492 |
. . . . 5
                
           MblFn |
78 | 70, 77 | mbfsub 23429 |
. . . 4
                                
                         MblFn |
79 | 43, 78 | eqeltrd 2701 |
. . 3
                   MblFn |
80 | 22, 25 | immuld 13959 |
. . . . . 6
 
                                                         |
81 | 80 | mpteq2dva 4744 |
. . . . 5
                                                               |
82 | | ovexd 6680 |
. . . . . 6
 
                       |
83 | | ovexd 6680 |
. . . . . 6
 
                       |
84 | 29, 32, 38, 34, 40 | offval2 6914 |
. . . . . 6
                
                                   |
85 | 29, 37, 33, 39, 35 | offval2 6914 |
. . . . . 6
                
                                   |
86 | 29, 82, 83, 84, 85 | offval2 6914 |
. . . . 5
                                
                          
                                          |
87 | 81, 86 | eqtr4d 2659 |
. . . 4
                                                  
                           |
88 | 54, 72, 67, 76 | mbfmullem 23492 |
. . . . 5
                
           MblFn |
89 | 71, 65, 74, 69 | mbfmullem 23492 |
. . . . 5
                
           MblFn |
90 | 88, 89 | mbfadd 23428 |
. . . 4
                                
                         MblFn |
91 | 87, 90 | eqeltrd 2701 |
. . 3
                   MblFn |
92 | 22, 25 | mulcld 10060 |
. . . 4
 
               |
93 | 92 | ismbfcn2 23406 |
. . 3
                MblFn                    MblFn
                  MblFn   |
94 | 79, 91, 93 | mpbir2and 957 |
. 2
               MblFn |
95 | 18, 94 | eqeltrd 2701 |
1
    MblFn |