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Mirrors > Home > MPE Home > Th. List > filtop | Structured version Visualization version Unicode version |
Description: The underlying set belongs to the filter. (Contributed by FL, 20-Jul-2007.) (Revised by Stefan O'Rear, 28-Jul-2015.) |
Ref | Expression |
---|---|
filtop |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | filfbas 21652 | . . 3 | |
2 | fbasne0 21634 | . . 3 | |
3 | 1, 2 | syl 17 | . 2 |
4 | n0 3931 | . . 3 | |
5 | filelss 21656 | . . . . . 6 | |
6 | ssid 3624 | . . . . . . 7 | |
7 | filss 21657 | . . . . . . . . 9 | |
8 | 7 | 3exp2 1285 | . . . . . . . 8 |
9 | 8 | imp 445 | . . . . . . 7 |
10 | 6, 9 | mpi 20 | . . . . . 6 |
11 | 5, 10 | mpd 15 | . . . . 5 |
12 | 11 | ex 450 | . . . 4 |
13 | 12 | exlimdv 1861 | . . 3 |
14 | 4, 13 | syl5bi 232 | . 2 |
15 | 3, 14 | mpd 15 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wex 1704 wcel 1990 wne 2794 wss 3574 c0 3915 cfv 5888 cfbas 19734 cfil 21649 |
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-8 1992 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-pow 4843 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-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fv 5896 df-fbas 19743 df-fil 21650 |
This theorem is referenced by: isfil2 21660 filn0 21666 infil 21667 filunibas 21685 filuni 21689 trfil1 21690 trfil2 21691 fgtr 21694 trfg 21695 isufil2 21712 filssufil 21716 ssufl 21722 ufileu 21723 filufint 21724 uffixfr 21727 cfinufil 21732 rnelfmlem 21756 rnelfm 21757 fmfnfmlem1 21758 fmfnfmlem2 21759 fmfnfmlem4 21761 fmfnfm 21762 flfval 21794 fclsfnflim 21831 flimfnfcls 21832 fcfval 21837 alexsublem 21848 metust 22363 cmetss 23113 minveclem4a 23201 filnetlem3 32375 filnetlem4 32376 |
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