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| Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-rspgt | Unicode version | ||
| Description: Restricted specialization, generalized. Weakens a hypothesis of rspccv 2865 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 2259 | 
. . . . . . . . 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 1469 | 
. . . 4
 | 
| 9 | bj-rspg.nfa | 
. . . . 5
 | |
| 10 | bj-rspg.nfb | 
. . . . . . 7
 | |
| 11 | 9, 10 | nfel 2348 | 
. . . . . 6
 | 
| 12 | nfra1 2528 | 
. . . . . . 7
 | |
| 13 | bj-rspg.nf2 | 
. . . . . . 7
 | |
| 14 | 12, 13 | nfim 1586 | 
. . . . . 6
 | 
| 15 | 11, 14 | nfim 1586 | 
. . . . 5
 | 
| 16 | rsp 2544 | 
. . . . . . 7
 | |
| 17 | 16 | a1i 9 | 
. . . . . 6
 | 
| 18 | 17 | com23 78 | 
. . . . 5
 | 
| 19 | 9, 15, 18 | bj-vtoclgft 15421 | 
. . . 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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 | 
| This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-v 2765 | 
| This theorem is referenced by: bj-rspg 15433 | 
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