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| Description: The base set of a generated filter is the base set of the parent base. (Contributed by Jeff Hankins, 3-Sep-2009.) |
| Ref | Expression |
|---|---|
| fgbas.1 |
|
| Ref | Expression |
|---|---|
| fgbas |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fbssfg 10285 |
. . . 4
| |
| 2 | uniss 3199 |
. . . 4
| |
| 3 | 1, 2 | syl 12 |
. . 3
|
| 4 | fgbas.1 |
. . 3
| |
| 5 | 3, 4 | syl5ss 2661 |
. 2
|
| 6 | 4 | elfg 10284 |
. . . . . . 7
|
| 7 | 6 | anbi2d 678 |
. . . . . 6
|
| 8 | ssel2 2616 |
. . . . . . . 8
| |
| 9 | 8 | ancoms 484 |
. . . . . . 7
|
| 10 | 9 | adantrr 431 |
. . . . . 6
|
| 11 | 7, 10 | syl6bi 231 |
. . . . 5
|
| 12 | 11 | 19.23adv 1584 |
. . . 4
|
| 13 | eluni 3180 |
. . . 4
| |
| 14 | 12, 13 | syl5ib 223 |
. . 3
|
| 15 | 14 | ssrdv 2622 |
. 2
|
| 16 | 5, 15 | eqssd 2633 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: fgfil 10290 hausfillim 10303 fmbas 10311 elfilmap3 10314 fbfgfmeq 10315 fbaslim 10322 cnpfillim4 14947 isufil2 15565 ufileu 15573 filufint 15574 uffixfr 15575 flimcls 15588 cnpfillim 15589 rnelfm 15593 fmfnfmlem2 15595 fmfnfm 15598 fmufil 15599 flimfbas 15601 fclusbas 15610 fclsfnflim 15614 flimfnfcls 15615 fcluscnp 15618 fcluscomp 15621 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-rex 2110 df-rab 2112 df-v 2294 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-nul 2876 df-pw 3035 df-sn 3049 df-pr 3050 df-op 3053 df-uni 3178 df-br 3339 df-opab 3396 df-id 3586 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fv 4014 df-fg 10260 |