Proof of Theorem igenval2
| Step | Hyp | Ref
| Expression |
| 1 | | eleq1 1957 |
. . . 4
  IdlGen    IdlGen  Idl  Idl     |
| 2 | | sseq2 2639 |
. . . 4
  IdlGen    IdlGen     |
| 3 | | sseq1 2637 |
. . . . . 6
  IdlGen    IdlGen     |
| 4 | 3 | imbi2d 674 |
. . . . 5
  IdlGen     IdlGen        |
| 5 | 4 | ralbidv 2123 |
. . . 4
  IdlGen    Idl     IdlGen    Idl        |
| 6 | 1, 2, 5 | 3anbi123d 1168 |
. . 3
  IdlGen     IdlGen 
Idl 
 IdlGen  
Idl   
 IdlGen     Idl   Idl         |
| 7 | | igenval2.1 |
. . . . 5
     |
| 8 | | igenval2.2 |
. . . . 5
 |
| 9 | 7, 8 | igenidl 16211 |
. . . 4
  Ring   IdlGen  Idl    |
| 10 | 7, 8 | igenss 16210 |
. . . 4
  Ring   IdlGen    |
| 11 | | igenmin 16212 |
. . . . . . 7
  Ring
Idl 
  IdlGen    |
| 12 | 11 | 3expia 1069 |
. . . . . 6
  Ring
Idl     IdlGen     |
| 13 | 12 | r19.21aiva 2176 |
. . . . 5

Ring  Idl     IdlGen     |
| 14 | 13 | adantr 425 |
. . . 4
  Ring   Idl     IdlGen     |
| 15 | 9, 10, 14 | 3jca 1050 |
. . 3
  Ring    IdlGen 
Idl 
 IdlGen  
Idl   
 IdlGen      |
| 16 | 6, 15 | syl5cbi 226 |
. 2
  Ring    IdlGen   Idl   Idl         |
| 17 | | igenmin 16212 |
. . . . . 6
  Ring
Idl 
  IdlGen    |
| 18 | 17 | 3adant3r3 1079 |
. . . . 5
  Ring  Idl   Idl        IdlGen    |
| 19 | 18 | adantlr 429 |
. . . 4
   Ring
  Idl   Idl        IdlGen    |
| 20 | | sseq2 2639 |
. . . . . . . . . 10
     |
| 21 | 20 | ralrab 2418 |
. . . . . . . . 9
   Idl     Idl   
   |
| 22 | 21 | biimpri 169 |
. . . . . . . 8
  Idl       Idl      |
| 23 | | ssint 3232 |
. . . . . . . 8
   Idl 
   Idl      |
| 24 | 22, 23 | sylibr 217 |
. . . . . . 7
  Idl       Idl     |
| 25 | 24 | 3ad2ant3 899 |
. . . . . 6
  Idl   Idl        Idl     |
| 26 | 25 | adantl 424 |
. . . . 5
   Ring
  Idl   Idl         Idl     |
| 27 | 7, 8 | igenval 16209 |
. . . . . 6
  Ring   IdlGen    Idl 
   |
| 28 | 27 | adantr 425 |
. . . . 5
   Ring
  Idl   Idl        IdlGen    Idl     |
| 29 | 26, 28 | sseqtr4d 2654 |
. . . 4
   Ring
  Idl   Idl        IdlGen    |
| 30 | 19, 29 | eqssd 2633 |
. . 3
   Ring
  Idl   Idl        IdlGen    |
| 31 | 30 | ex 402 |
. 2
  Ring    Idl   Idl       IdlGen     |
| 32 | 16, 31 | impbid 574 |
1
  Ring    IdlGen   Idl 
 Idl         |