| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: The law of concretion. Special case of Theorem 9.5 of [Quine] p. 61. |
| Ref | Expression |
|---|---|
| opabidOLD |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | clelab 2013 |
. 2
| |
| 2 | df-opab 3396 |
. . 3
| |
| 3 | 2 | eleq2i 1961 |
. 2
|
| 4 | 19.41v 1685 |
. . . . . 6
| |
| 5 | anass 487 |
. . . . . . 7
| |
| 6 | 5 | exbii 1398 |
. . . . . 6
|
| 7 | eqcom 1886 |
. . . . . . . 8
| |
| 8 | opex 3527 |
. . . . . . . . 9
| |
| 9 | 8 | eqvinc 2387 |
. . . . . . . 8
|
| 10 | visset 2295 |
. . . . . . . . 9
| |
| 11 | visset 2295 |
. . . . . . . . 9
| |
| 12 | visset 2295 |
. . . . . . . . 9
| |
| 13 | 10, 11, 12 | opth 3532 |
. . . . . . . 8
|
| 14 | 7, 9, 13 | 3bitr3i 198 |
. . . . . . 7
|
| 15 | 14 | anbi1i 539 |
. . . . . 6
|
| 16 | 4, 6, 15 | 3bitr3ri 199 |
. . . . 5
|
| 17 | 16 | 2exbii 1399 |
. . . 4
|
| 18 | sbel2x 1736 |
. . . 4
| |
| 19 | excom 1393 |
. . . . 5
| |
| 20 | exdistr2 1692 |
. . . . 5
| |
| 21 | excom 1393 |
. . . . . 6
| |
| 22 | 21 | exbii 1398 |
. . . . 5
|
| 23 | 19, 20, 22 | 3bitr3i 198 |
. . . 4
|
| 24 | 17, 18, 23 | 3bitr4i 200 |
. . 3
|
| 25 | ax-17 1317 |
. . . . . . 7
| |
| 26 | ax-17 1317 |
. . . . . . . . 9
| |
| 27 | hbs1 1722 |
. . . . . . . . 9
| |
| 28 | 26, 27 | hban 1356 |
. . . . . . . 8
|
| 29 | 28 | hbex 1353 |
. . . . . . 7
|
| 30 | opeq1 3158 |
. . . . . . . . . 10
| |
| 31 | 30 | eqeq2d 1895 |
. . . . . . . . 9
|
| 32 | sbequ12 1545 |
. . . . . . . . 9
| |
| 33 | 31, 32 | anbi12d 690 |
. . . . . . . 8
|
| 34 | 33 | exbidv 1657 |
. . . . . . 7
|
| 35 | 25, 29, 34 | cbvex 1529 |
. . . . . 6
|
| 36 | ax-17 1317 |
. . . . . . . 8
| |
| 37 | ax-17 1317 |
. . . . . . . . 9
| |
| 38 | hbs1 1722 |
. . . . . . . . 9
| |
| 39 | 37, 38 | hban 1356 |
. . . . . . . 8
|
| 40 | opeq2 3159 |
. . . . . . . . . 10
| |
| 41 | 40 | eqeq2d 1895 |
. . . . . . . . 9
|
| 42 | sbequ12 1545 |
. . . . . . . . 9
| |
| 43 | 41, 42 | anbi12d 690 |
. . . . . . . 8
|
| 44 | 36, 39, 43 | cbvex 1529 |
. . . . . . 7
|
| 45 | 44 | exbii 1398 |
. . . . . 6
|
| 46 | 35, 45 | bitri 190 |
. . . . 5
|
| 47 | 46 | anbi2i 538 |
. . . 4
|
| 48 | 47 | exbii 1398 |
. . 3
|
| 49 | 24, 48 | bitr4i 193 |
. 2
|
| 50 | 1, 3, 49 | 3bitr4i 200 |
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-14 1312 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 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 |
| 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-ne 2019 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-opab 3396 |