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| Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-rspgt | Unicode version | ||
| Description: Restricted specialization, generalized. Weakens a hypothesis of rspccv 2874 and seems to have a shorter proof. (Contributed by BJ, 21-Nov-2019.) |
| Ref | Expression |
|---|---|
| bj-rspg.nfa |
|
| bj-rspg.nfb |
|
| bj-rspg.nf2 |
|
| Ref | Expression |
|---|---|
| bj-rspgt |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eleq1 2268 |
. . . . . . . . 9
| |
| 2 | 1 | imbi1d 231 |
. . . . . . . 8
|
| 3 | 2 | biimpd 144 |
. . . . . . 7
|
| 4 | imim2 55 |
. . . . . . . 8
| |
| 5 | 4 | imim2d 54 |
. . . . . . 7
|
| 6 | 3, 5 | syl9 72 |
. . . . . 6
|
| 7 | 6 | a2i 11 |
. . . . 5
|
| 8 | 7 | alimi 1478 |
. . . 4
|
| 9 | bj-rspg.nfa |
. . . . 5
| |
| 10 | bj-rspg.nfb |
. . . . . . 7
| |
| 11 | 9, 10 | nfel 2357 |
. . . . . 6
|
| 12 | nfra1 2537 |
. . . . . . 7
| |
| 13 | bj-rspg.nf2 |
. . . . . . 7
| |
| 14 | 12, 13 | nfim 1595 |
. . . . . 6
|
| 15 | 11, 14 | nfim 1595 |
. . . . 5
|
| 16 | rsp 2553 |
. . . . . . 7
| |
| 17 | 16 | a1i 9 |
. . . . . 6
|
| 18 | 17 | com23 78 |
. . . . 5
|
| 19 | 9, 15, 18 | bj-vtoclgft 15748 |
. . . 4
|
| 20 | 8, 19 | syl 14 |
. . 3
|
| 21 | 20 | pm2.43d 50 |
. 2
|
| 22 | 21 | com23 78 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-ext 2187 |
| This theorem depends on definitions: df-bi 117 df-tru 1376 df-nf 1484 df-sb 1786 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ral 2489 df-v 2774 |
| This theorem is referenced by: bj-rspg 15760 |
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