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| Mirrors > Home > MPE Home > Th. List > infcllem | Structured version Visualization version Unicode version | ||
| Description: Lemma for infcl 8394, inflb 8395, infglb 8396, etc. (Contributed by AV, 3-Sep-2020.) |
| Ref | Expression |
|---|---|
| infcl.1 |
|
| infcl.2 |
|
| Ref | Expression |
|---|---|
| infcllem |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | infcl.2 |
. 2
| |
| 2 | vex 3203 |
. . . . . . . 8
| |
| 3 | vex 3203 |
. . . . . . . 8
| |
| 4 | 2, 3 | brcnv 5305 |
. . . . . . 7
|
| 5 | 4 | bicomi 214 |
. . . . . 6
|
| 6 | 5 | notbii 310 |
. . . . 5
|
| 7 | 6 | ralbii 2980 |
. . . 4
|
| 8 | 3, 2 | brcnv 5305 |
. . . . . . 7
|
| 9 | 8 | bicomi 214 |
. . . . . 6
|
| 10 | vex 3203 |
. . . . . . . . 9
| |
| 11 | 3, 10 | brcnv 5305 |
. . . . . . . 8
|
| 12 | 11 | bicomi 214 |
. . . . . . 7
|
| 13 | 12 | rexbii 3041 |
. . . . . 6
|
| 14 | 9, 13 | imbi12i 340 |
. . . . 5
|
| 15 | 14 | ralbii 2980 |
. . . 4
|
| 16 | 7, 15 | anbi12i 733 |
. . 3
|
| 17 | 16 | rexbii 3041 |
. 2
|
| 18 | 1, 17 | sylib 208 |
1
|
| Colors of variables: wff setvar class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
| This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-br 4654 df-opab 4713 df-cnv 5122 |
| This theorem is referenced by: infcl 8394 inflb 8395 infglb 8396 infglbb 8397 infiso 8413 |
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