| Mathbox for Alan Sare |
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| Description: Virtual deduction proof of suctr 3751. The sucessor of a transitive class is transitive. This proof was generated automatically from the virtual deduction proof suctrALT2VD 16660 using the tools command file translatewithout_overwritingminimize_excludingduplicates.cmd . |
| Ref | Expression |
|---|---|
| suctrALT2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sssucid 3742 |
. . . . 5
| |
| 2 | trel 3418 |
. . . . . . 7
| |
| 3 | 2 | exp3a 405 |
. . . . . 6
|
| 4 | 3 | adantrd 427 |
. . . . 5
|
| 5 | ssel 2615 |
. . . . 5
| |
| 6 | 1, 4, 5 | ee03 16609 |
. . . 4
|
| 7 | simpl 346 |
. . . . . . 7
| |
| 8 | 7 | a1i 8 |
. . . . . 6
|
| 9 | eleq2 1958 |
. . . . . . 7
| |
| 10 | 9 | biimpcd 172 |
. . . . . 6
|
| 11 | 8, 10 | syl6 25 |
. . . . 5
|
| 12 | 1, 11, 5 | ee03 16609 |
. . . 4
|
| 13 | simpr 350 |
. . . . . 6
| |
| 14 | 13 | a1i 8 |
. . . . 5
|
| 15 | elsuci 3731 |
. . . . 5
| |
| 16 | 14, 15 | syl6 25 |
. . . 4
|
| 17 | jao 367 |
. . . 4
| |
| 18 | 6, 12, 16, 17 | ee222 1271 |
. . 3
|
| 19 | 18 | 19.21aivv 1665 |
. 2
|
| 20 | dftr2 3413 |
. 2
| |
| 21 | 19, 20 | sylibr 217 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-v 2294 df-un 2600 df-in 2603 df-ss 2605 df-sn 3049 df-uni 3178 df-tr 3412 df-suc 3663 |