| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > mpt2eq123 | Unicode version | ||
| Description: An equality theorem for the maps to notation. (Contributed by Mario Carneiro, 16-Dec-2013.) (Revised by Mario Carneiro, 19-Mar-2015.) |
| Ref | Expression |
|---|---|
| mpt2eq123 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfv 1461 |
. . . 4
| |
| 2 | nfra1 2397 |
. . . 4
| |
| 3 | 1, 2 | nfan 1497 |
. . 3
|
| 4 | nfv 1461 |
. . . 4
| |
| 5 | nfcv 2219 |
. . . . 5
| |
| 6 | nfv 1461 |
. . . . . 6
| |
| 7 | nfra1 2397 |
. . . . . 6
| |
| 8 | 6, 7 | nfan 1497 |
. . . . 5
|
| 9 | 5, 8 | nfralxy 2402 |
. . . 4
|
| 10 | 4, 9 | nfan 1497 |
. . 3
|
| 11 | nfv 1461 |
. . 3
| |
| 12 | rsp 2411 |
. . . . . . 7
| |
| 13 | rsp 2411 |
. . . . . . . . . 10
| |
| 14 | eqeq2 2090 |
. . . . . . . . . 10
| |
| 15 | 13, 14 | syl6 33 |
. . . . . . . . 9
|
| 16 | 15 | pm5.32d 437 |
. . . . . . . 8
|
| 17 | eleq2 2142 |
. . . . . . . . 9
| |
| 18 | 17 | anbi1d 452 |
. . . . . . . 8
|
| 19 | 16, 18 | sylan9bbr 450 |
. . . . . . 7
|
| 20 | 12, 19 | syl6 33 |
. . . . . 6
|
| 21 | 20 | pm5.32d 437 |
. . . . 5
|
| 22 | eleq2 2142 |
. . . . . 6
| |
| 23 | 22 | anbi1d 452 |
. . . . 5
|
| 24 | 21, 23 | sylan9bbr 450 |
. . . 4
|
| 25 | anass 393 |
. . . 4
| |
| 26 | anass 393 |
. . . 4
| |
| 27 | 24, 25, 26 | 3bitr4g 221 |
. . 3
|
| 28 | 3, 10, 11, 27 | oprabbid 5578 |
. 2
|
| 29 | df-mpt2 5537 |
. 2
| |
| 30 | df-mpt2 5537 |
. 2
| |
| 31 | 28, 29, 30 | 3eqtr4g 2138 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-11 1437 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 |
| This theorem depends on definitions: df-bi 115 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-oprab 5536 df-mpt2 5537 |
| This theorem is referenced by: mpt2eq12 5585 |
| Copyright terms: Public domain | W3C validator |