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| Description: The law of concretion in terms of substitutions. |
| Ref | Expression |
|---|---|
| opabsb |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | a9e 1112 |
. 2
| |
| 2 | ax-17 1190 |
. . . . 5
| |
| 3 | hbopab2 2776 |
. . . . 5
| |
| 4 | 2, 3 | hbel 1542 |
. . . 4
|
| 5 | hbs1 1314 |
. . . 4
| |
| 6 | 4, 5 | hbbi 986 |
. . 3
|
| 7 | a9e 1112 |
. . . 4
| |
| 8 | ax-17 1190 |
. . . . . 6
| |
| 9 | ax-17 1190 |
. . . . . . . 8
| |
| 10 | hbopab1 2775 |
. . . . . . . 8
| |
| 11 | 9, 10 | hbel 1542 |
. . . . . . 7
|
| 12 | hbs1 1314 |
. . . . . . . 8
| |
| 13 | 12 | hbsb 1315 |
. . . . . . 7
|
| 14 | 11, 13 | hbbi 986 |
. . . . . 6
|
| 15 | 8, 14 | hbim 983 |
. . . . 5
|
| 16 | opeq12 2458 |
. . . . . . . . 9
| |
| 17 | 16 | eleq1d 1516 |
. . . . . . . 8
|
| 18 | opabid 2772 |
. . . . . . . 8
| |
| 19 | 17, 18 | syl5bbr 532 |
. . . . . . 7
|
| 20 | sbequ12 1164 |
. . . . . . . 8
| |
| 21 | sbequ12 1164 |
. . . . . . . 8
| |
| 22 | 20, 21 | sylan9bb 538 |
. . . . . . 7
|
| 23 | 19, 22 | bitr3d 528 |
. . . . . 6
|
| 24 | 23 | ex 373 |
. . . . 5
|
| 25 | 15, 24 | 19.23ai 1040 |
. . . 4
|
| 26 | 7, 25 | ax-mp 7 |
. . 3
|
| 27 | 6, 26 | 19.23ai 1040 |
. 2
|
| 28 | 1, 27 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: brabsb 2778 inopab 3230 isarep1 3517 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-4 951 ax-5 952 ax-6 953 ax-7 954 ax-gen 955 ax-8 1101 ax-9 1102 ax-10 1103 ax-12 1104 ax-13 1107 ax-14 1108 ax-11 1180 ax-17 1190 ax-16 1194 ax-11o 1202 ax-ext 1436 ax-sep 2671 ax-pow 2710 ax-pr 2747 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 957 df-sb 1155 df-eu 1359 df-mo 1360 df-clab 1441 df-cleq 1446 df-clel 1449 df-ne 1563 df-v 1787 df-dif 2020 df-un 2021 df-in 2022 df-ss 2024 df-nul 2252 df-pw 2373 df-sn 2383 df-pr 2384 df-op 2387 df-opab 2635 |