Step | Hyp | Ref
| Expression |
1 | | dgrco.4 |
. . . . . . . . . . 11
 Poly    |
2 | | plyf 23954 |
. . . . . . . . . . 11
 Poly 
      |
3 | 1, 2 | syl 17 |
. . . . . . . . . 10
       |
4 | 3 | ffvelrnda 6359 |
. . . . . . . . 9
 

      |
5 | | dgrco.3 |
. . . . . . . . . . 11
 Poly    |
6 | | plyf 23954 |
. . . . . . . . . . 11
 Poly 
      |
7 | 5, 6 | syl 17 |
. . . . . . . . . 10
       |
8 | 7 | ffvelrnda 6359 |
. . . . . . . . 9
 
               |
9 | 4, 8 | syldan 487 |
. . . . . . . 8
 

          |
10 | | dgrco.5 |
. . . . . . . . . . . . 13
coeff   |
11 | 10 | coef3 23988 |
. . . . . . . . . . . 12
 Poly 
      |
12 | 5, 11 | syl 17 |
. . . . . . . . . . 11
       |
13 | | dgrco.1 |
. . . . . . . . . . . 12
deg   |
14 | | dgrcl 23989 |
. . . . . . . . . . . . 13
 Poly 
deg    |
15 | 5, 14 | syl 17 |
. . . . . . . . . . . 12
 deg    |
16 | 13, 15 | syl5eqel 2705 |
. . . . . . . . . . 11
   |
17 | 12, 16 | ffvelrnd 6360 |
. . . . . . . . . 10
       |
18 | 17 | adantr 481 |
. . . . . . . . 9
 

      |
19 | 16 | adantr 481 |
. . . . . . . . . 10
 

  |
20 | 4, 19 | expcld 13008 |
. . . . . . . . 9
 

          |
21 | 18, 20 | mulcld 10060 |
. . . . . . . 8
 

                |
22 | 9, 21 | npcand 10396 |
. . . . . . 7
 

                                                  |
23 | 22 | mpteq2dva 4744 |
. . . . . 6
                                                       |
24 | | cnex 10017 |
. . . . . . . 8
 |
25 | 24 | a1i 11 |
. . . . . . 7
   |
26 | 9, 21 | subcld 10392 |
. . . . . . 7
 

                          |
27 | | eqidd 2623 |
. . . . . . 7
                                                       |
28 | | eqidd 2623 |
. . . . . . 7
                                   |
29 | 25, 26, 21, 27, 28 | offval2 6914 |
. . . . . 6
                                                                                          |
30 | 3 | feqmptd 6249 |
. . . . . . 7
         |
31 | 7 | feqmptd 6249 |
. . . . . . 7
         |
32 | | fveq2 6191 |
. . . . . . 7
                   |
33 | 4, 30, 31, 32 | fmptco 6396 |
. . . . . 6
               |
34 | 23, 29, 33 | 3eqtr4rd 2667 |
. . . . 5
                               
                  |
35 | 34 | fveq2d 6195 |
. . . 4
 deg    deg                             
                   |
36 | 35 | adantr 481 |
. . 3
 

deg 
  deg                                                 |
37 | 25, 9, 21, 33, 28 | offval2 6914 |
. . . . . 6
                                                  |
38 | | plyssc 23956 |
. . . . . . . . 9
Poly  Poly   |
39 | 38, 5 | sseldi 3601 |
. . . . . . . 8
 Poly    |
40 | 38, 1 | sseldi 3601 |
. . . . . . . 8
 Poly    |
41 | | addcl 10018 |
. . . . . . . . 9
 
     |
42 | 41 | adantl 482 |
. . . . . . . 8
 
       |
43 | | mulcl 10020 |
. . . . . . . . 9
 
     |
44 | 43 | adantl 482 |
. . . . . . . 8
 
       |
45 | 39, 40, 42, 44 | plyco 23997 |
. . . . . . 7
   Poly    |
46 | | eqidd 2623 |
. . . . . . . . 9
                           |
47 | | oveq1 6657 |
. . . . . . . . . 10
                   |
48 | 47 | oveq2d 6666 |
. . . . . . . . 9
                               |
49 | 4, 30, 46, 48 | fmptco 6396 |
. . . . . . . 8
                                 |
50 | | ssid 3624 |
. . . . . . . . . . 11
 |
51 | 50 | a1i 11 |
. . . . . . . . . 10

  |
52 | | eqid 2622 |
. . . . . . . . . . 11
                         |
53 | 52 | ply1term 23960 |
. . . . . . . . . 10
 
                 Poly    |
54 | 51, 17, 16, 53 | syl3anc 1326 |
. . . . . . . . 9
             Poly    |
55 | 54, 40, 42, 44 | plyco 23997 |
. . . . . . . 8
               Poly    |
56 | 49, 55 | eqeltrrd 2702 |
. . . . . . 7
                 Poly    |
57 | | plysubcl 23978 |
. . . . . . 7
    Poly 
                Poly       
                Poly    |
58 | 45, 56, 57 | syl2anc 693 |
. . . . . 6
                      Poly    |
59 | 37, 58 | eqeltrrd 2702 |
. . . . 5
                           Poly    |
60 | 59 | adantr 481 |
. . . 4
 

                          Poly    |
61 | 56 | adantr 481 |
. . . 4
 

                Poly    |
62 | | dgrco.7 |
. . . . . . . . . . 11
     |
63 | | dgrco.6 |
. . . . . . . . . . . 12
   |
64 | | nn0p1nn 11332 |
. . . . . . . . . . . 12

    |
65 | 63, 64 | syl 17 |
. . . . . . . . . . 11
     |
66 | 62, 65 | eqeltrd 2701 |
. . . . . . . . . 10
   |
67 | 66 | nngt0d 11064 |
. . . . . . . . 9
   |
68 | | fveq2 6191 |
. . . . . . . . . . 11
                 deg                 deg     |
69 | | dgr0 24018 |
. . . . . . . . . . 11
deg    |
70 | 68, 69 | syl6eq 2672 |
. . . . . . . . . 10
                 deg                   |
71 | 70 | breq1d 4663 |
. . . . . . . . 9
                  deg  
                 |
72 | 67, 71 | syl5ibrcom 237 |
. . . . . . . 8
   
              deg  
                 |
73 | | idd 24 |
. . . . . . . 8
  deg                
deg                    |
74 | | eqid 2622 |
. . . . . . . . . . . 12
deg              deg               |
75 | 13, 74 | dgrsub 24028 |
. . . . . . . . . . 11
  Poly 
            Poly   deg                
  deg               deg                  |
76 | 39, 54, 75 | syl2anc 693 |
. . . . . . . . . 10
 deg  
                deg               deg                  |
77 | 66 | nnne0d 11065 |
. . . . . . . . . . . . . 14
   |
78 | 13, 10 | dgreq0 24021 |
. . . . . . . . . . . . . . . . 17
 Poly 
 
       |
79 | 5, 78 | syl 17 |
. . . . . . . . . . . . . . . 16
          |
80 | | fveq2 6191 |
. . . . . . . . . . . . . . . . . 18
  deg  deg     |
81 | 80, 69 | syl6eq 2672 |
. . . . . . . . . . . . . . . . 17
  deg    |
82 | 13, 81 | syl5eq 2668 |
. . . . . . . . . . . . . . . 16
 
  |
83 | 79, 82 | syl6bir 244 |
. . . . . . . . . . . . . . 15
         |
84 | 83 | necon3d 2815 |
. . . . . . . . . . . . . 14
         |
85 | 77, 84 | mpd 15 |
. . . . . . . . . . . . 13
       |
86 | 52 | dgr1term 24016 |
. . . . . . . . . . . . 13
           deg                |
87 | 17, 85, 16, 86 | syl3anc 1326 |
. . . . . . . . . . . 12
 deg                |
88 | 87 | ifeq1d 4104 |
. . . . . . . . . . 11
   deg               deg                 
deg                   |
89 | | ifid 4125 |
. . . . . . . . . . 11
 
deg                  |
90 | 88, 89 | syl6eq 2672 |
. . . . . . . . . 10
   deg               deg                  |
91 | 76, 90 | breqtrd 4679 |
. . . . . . . . 9
 deg  
                |
92 | | eqid 2622 |
. . . . . . . . . . . . 13
coeff              coeff               |
93 | 10, 92 | coesub 24013 |
. . . . . . . . . . . 12
  Poly 
            Poly   coeff                   coeff                 |
94 | 39, 54, 93 | syl2anc 693 |
. . . . . . . . . . 11
 coeff  
                coeff                 |
95 | 94 | fveq1d 6193 |
. . . . . . . . . 10
  coeff                       coeff                    |
96 | | ffn 6045 |
. . . . . . . . . . . . 13
       |
97 | 12, 96 | syl 17 |
. . . . . . . . . . . 12
   |
98 | 92 | coef3 23988 |
. . . . . . . . . . . . . 14
             Poly 
coeff                    |
99 | 54, 98 | syl 17 |
. . . . . . . . . . . . 13
 coeff                    |
100 | | ffn 6045 |
. . . . . . . . . . . . 13
 coeff                  coeff                |
101 | 99, 100 | syl 17 |
. . . . . . . . . . . 12
 coeff                |
102 | | nn0ex 11298 |
. . . . . . . . . . . . 13
 |
103 | 102 | a1i 11 |
. . . . . . . . . . . 12
   |
104 | | inidm 3822 |
. . . . . . . . . . . 12
   |
105 | | eqidd 2623 |
. . . . . . . . . . . 12
 

          |
106 | 52 | coe1term 24015 |
. . . . . . . . . . . . . . 15
     
  coeff                            |
107 | 17, 16, 16, 106 | syl3anc 1326 |
. . . . . . . . . . . . . 14
  coeff                            |
108 | | eqid 2622 |
. . . . . . . . . . . . . . 15
 |
109 | 108 | iftruei 4093 |
. . . . . . . . . . . . . 14
              |
110 | 107, 109 | syl6eq 2672 |
. . . . . . . . . . . . 13
  coeff                       |
111 | 110 | adantr 481 |
. . . . . . . . . . . 12
 

 coeff                       |
112 | 97, 101, 103, 103, 104, 105, 111 | ofval 6906 |
. . . . . . . . . . 11
 

   coeff                              |
113 | 16, 112 | mpdan 702 |
. . . . . . . . . 10
   
coeff                              |
114 | 17 | subidd 10380 |
. . . . . . . . . 10
             |
115 | 95, 113, 114 | 3eqtrd 2660 |
. . . . . . . . 9
  coeff                      |
116 | | plysubcl 23978 |
. . . . . . . . . . 11
  Poly 
            Poly                  Poly    |
117 | 39, 54, 116 | syl2anc 693 |
. . . . . . . . . 10
                Poly    |
118 | | eqid 2622 |
. . . . . . . . . . 11
deg 
               deg 
                |
119 | | eqid 2622 |
. . . . . . . . . . 11
coeff 
               coeff 
                |
120 | 118, 119 | dgrlt 24022 |
. . . . . . . . . 10
                 Poly                     deg                   deg                  coeff 
                      |
121 | 117, 16, 120 | syl2anc 693 |
. . . . . . . . 9
                   deg 
                 deg                  coeff 
                      |
122 | 91, 115, 121 | mpbir2and 957 |
. . . . . . . 8
   
              deg  
                 |
123 | 72, 73, 122 | mpjaod 396 |
. . . . . . 7
 deg  
                |
124 | 123 | adantr 481 |
. . . . . 6
 

deg 
                 |
125 | | dgrcl 23989 |
. . . . . . . . . 10
                Poly  deg  
                |
126 | 117, 125 | syl 17 |
. . . . . . . . 9
 deg  
                |
127 | 126 | nn0red 11352 |
. . . . . . . 8
 deg  
                |
128 | 127 | adantr 481 |
. . . . . . 7
 

deg 
                 |
129 | 16 | nn0red 11352 |
. . . . . . . 8
   |
130 | 129 | adantr 481 |
. . . . . . 7
 

  |
131 | | nnre 11027 |
. . . . . . . 8
   |
132 | 131 | adantl 482 |
. . . . . . 7
 

  |
133 | | nngt0 11049 |
. . . . . . . 8
   |
134 | 133 | adantl 482 |
. . . . . . 7
 

  |
135 | | ltmul1 10873 |
. . . . . . 7
  deg  
                  deg                  deg 
                     |
136 | 128, 130,
132, 134, 135 | syl112anc 1330 |
. . . . . 6
 

 deg  
             
 deg                       |
137 | 124, 136 | mpbid 222 |
. . . . 5
 

 deg  
                   |
138 | 7 | ffvelrnda 6359 |
. . . . . . . . . 10
 

      |
139 | 17 | adantr 481 |
. . . . . . . . . . 11
 

      |
140 | | id 22 |
. . . . . . . . . . . 12
   |
141 | | expcl 12878 |
. . . . . . . . . . . 12
 
       |
142 | 140, 16, 141 | syl2anr 495 |
. . . . . . . . . . 11
 

      |
143 | 139, 142 | mulcld 10060 |
. . . . . . . . . 10
 

            |
144 | 25, 138, 143, 31, 46 | offval2 6914 |
. . . . . . . . 9
                                    |
145 | 32, 48 | oveq12d 6668 |
. . . . . . . . 9
                                               |
146 | 4, 30, 144, 145 | fmptco 6396 |
. . . . . . . 8
   
                                          |
147 | 146 | fveq2d 6195 |
. . . . . . 7
 deg                   deg                              |
148 | | dgrco.8 |
. . . . . . . 8
  Poly    deg  deg     deg      |
149 | 123, 62 | breqtrd 4679 |
. . . . . . . . 9
 deg  
                  |
150 | | nn0leltp1 11436 |
. . . . . . . . . 10
  deg  
             

 deg                
deg                      |
151 | 126, 63, 150 | syl2anc 693 |
. . . . . . . . 9
  deg                 deg  
                   |
152 | 149, 151 | mpbird 247 |
. . . . . . . 8
 deg  
                |
153 | | fveq2 6191 |
. . . . . . . . . . 11
  
             deg  deg 
                 |
154 | 153 | breq1d 4663 |
. . . . . . . . . 10
  
              deg  deg  
             
   |
155 | | coeq1 5279 |
. . . . . . . . . . . 12
  
                                  |
156 | 155 | fveq2d 6195 |
. . . . . . . . . . 11
  
             deg    deg   
                 |
157 | 153 | oveq1d 6665 |
. . . . . . . . . . 11
  
              deg    deg  
                 |
158 | 156, 157 | eqeq12d 2637 |
. . . . . . . . . 10
  
              deg     deg  
deg                    deg 
                   |
159 | 154, 158 | imbi12d 334 |
. . . . . . . . 9
  
               deg  deg     deg   
 deg                
deg                    deg  
                   |
160 | 159 | rspcv 3305 |
. . . . . . . 8
                Poly    Poly    deg 
deg     deg   
 deg                
deg                    deg  
                   |
161 | 117, 148,
152, 160 | syl3c 66 |
. . . . . . 7
 deg                    deg  
                 |
162 | 147, 161 | eqtr3d 2658 |
. . . . . 6
 deg                             deg 
                  |
163 | 162 | adantr 481 |
. . . . 5
 

deg 
                           deg  
                 |
164 | | fconstmpt 5163 |
. . . . . . . . . . 11
               |
165 | 164 | a1i 11 |
. . . . . . . . . 10
                 |
166 | | eqidd 2623 |
. . . . . . . . . 10
                       |
167 | 25, 18, 20, 165, 166 | offval2 6914 |
. . . . . . . . 9
                                        |
168 | 167 | fveq2d 6195 |
. . . . . . . 8
 deg                       deg                    |
169 | | eqidd 2623 |
. . . . . . . . . . 11
               |
170 | 4, 30, 169, 47 | fmptco 6396 |
. . . . . . . . . 10
                     |
171 | | 1cnd 10056 |
. . . . . . . . . . . 12
   |
172 | | plypow 23961 |
. . . . . . . . . . . 12
 
       Poly    |
173 | 51, 171, 16, 172 | syl3anc 1326 |
. . . . . . . . . . 11
       Poly    |
174 | 173, 40, 42, 44 | plyco 23997 |
. . . . . . . . . 10
         Poly    |
175 | 170, 174 | eqeltrrd 2702 |
. . . . . . . . 9
           Poly    |
176 | | dgrmulc 24027 |
. . . . . . . . 9
                    Poly   deg                       deg              |
177 | 17, 85, 175, 176 | syl3anc 1326 |
. . . . . . . 8
 deg                       deg              |
178 | 168, 177 | eqtr3d 2658 |
. . . . . . 7
 deg                  deg              |
179 | 178 | adantr 481 |
. . . . . 6
 

deg 
                deg              |
180 | | dgrco.2 |
. . . . . . 7
deg   |
181 | 66 | adantr 481 |
. . . . . . 7
 

  |
182 | | simpr 477 |
. . . . . . 7
 

  |
183 | 1 | adantr 481 |
. . . . . . 7
 

Poly    |
184 | 180, 181,
182, 183 | dgrcolem1 24029 |
. . . . . 6
 

deg 
              |
185 | 179, 184 | eqtrd 2656 |
. . . . 5
 

deg 
                    |
186 | 137, 163,
185 | 3brtr4d 4685 |
. . . 4
 

deg 
                          deg                    |
187 | | eqid 2622 |
. . . . 5
deg 
                          deg                             |
188 | | eqid 2622 |
. . . . 5
deg 
                deg                   |
189 | 187, 188 | dgradd2 24024 |
. . . 4
                            Poly 
                Poly 
deg                            deg                   deg                             
                 deg                    |
190 | 60, 61, 186, 189 | syl3anc 1326 |
. . 3
 

deg                                               deg                    |
191 | 36, 190, 185 | 3eqtrd 2660 |
. 2
 

deg 
      |
192 | | 0cn 10032 |
. . . . . . . 8
 |
193 | | ffvelrn 6357 |
. . . . . . . 8
     
       |
194 | 3, 192, 193 | sylancl 694 |
. . . . . . 7
       |
195 | 7, 194 | ffvelrnd 6360 |
. . . . . 6
           |
196 | | 0dgr 24001 |
. . . . . 6
         deg                |
197 | 195, 196 | syl 17 |
. . . . 5
 deg                |
198 | 16 | nn0cnd 11353 |
. . . . . 6
   |
199 | 198 | mul01d 10235 |
. . . . 5
     |
200 | 197, 199 | eqtr4d 2659 |
. . . 4
 deg                  |
201 | 200 | adantr 481 |
. . 3
 
 deg                  |
202 | 194 | ad2antrr 762 |
. . . . . 6
   
       |
203 | | simpr 477 |
. . . . . . . . 9
 
   |
204 | 180, 203 | syl5eqr 2670 |
. . . . . . . 8
 
 deg    |
205 | | 0dgrb 24002 |
. . . . . . . . . 10
 Poly 
 deg             |
206 | 1, 205 | syl 17 |
. . . . . . . . 9
  deg             |
207 | 206 | adantr 481 |
. . . . . . . 8
 
  deg 

          |
208 | 204, 207 | mpbid 222 |
. . . . . . 7
 
           |
209 | | fconstmpt 5163 |
. . . . . . 7
               |
210 | 208, 209 | syl6eq 2672 |
. . . . . 6
 
         |
211 | 31 | adantr 481 |
. . . . . 6
 
         |
212 | | fveq2 6191 |
. . . . . 6
                   |
213 | 202, 210,
211, 212 | fmptco 6396 |
. . . . 5
 
 
             |
214 | | fconstmpt 5163 |
. . . . 5
                       |
215 | 213, 214 | syl6eqr 2674 |
. . . 4
 
 
               |
216 | 215 | fveq2d 6195 |
. . 3
 
 deg    deg                |
217 | 203 | oveq2d 6666 |
. . 3
 
 
     |
218 | 201, 216,
217 | 3eqtr4d 2666 |
. 2
 
 deg        |
219 | | dgrcl 23989 |
. . . . 5
 Poly 
deg    |
220 | 1, 219 | syl 17 |
. . . 4
 deg    |
221 | 180, 220 | syl5eqel 2705 |
. . 3
   |
222 | | elnn0 11294 |
. . 3

    |
223 | 221, 222 | sylib 208 |
. 2
 
   |
224 | 191, 218,
223 | mpjaodan 827 |
1
 deg        |