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| Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-rspgt | Unicode version | ||
| Description: Restricted specialization, generalized. Weakens a hypothesis of rspccv 2907 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 2294 |
. . . . . . . . 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 1503 |
. . . 4
|
| 9 | bj-rspg.nfa |
. . . . 5
| |
| 10 | bj-rspg.nfb |
. . . . . . 7
| |
| 11 | 9, 10 | nfel 2383 |
. . . . . 6
|
| 12 | nfra1 2563 |
. . . . . . 7
| |
| 13 | bj-rspg.nf2 |
. . . . . . 7
| |
| 14 | 12, 13 | nfim 1620 |
. . . . . 6
|
| 15 | 11, 14 | nfim 1620 |
. . . . 5
|
| 16 | rsp 2579 |
. . . . . . 7
| |
| 17 | 16 | a1i 9 |
. . . . . 6
|
| 18 | 17 | com23 78 |
. . . . 5
|
| 19 | 9, 15, 18 | bj-vtoclgft 16371 |
. . . 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-v 2804 |
| This theorem is referenced by: bj-rspg 16383 |
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