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Mirrors > Home > MPE Home > Th. List > ufinffr | Structured version Visualization version Unicode version |
Description: An infinite subset is contained in a free ultrafilter. (Contributed by Jeff Hankins, 6-Dec-2009.) (Revised by Mario Carneiro, 4-Dec-2013.) |
Ref | Expression |
---|---|
ufinffr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ominf 8172 | . . . . 5 | |
2 | domfi 8181 | . . . . . 6 | |
3 | 2 | expcom 451 | . . . . 5 |
4 | 1, 3 | mtoi 190 | . . . 4 |
5 | cfinfil 21697 | . . . 4 | |
6 | 4, 5 | syl3an3 1361 | . . 3 |
7 | filssufil 21716 | . . 3 | |
8 | 6, 7 | syl 17 | . 2 |
9 | elpw2g 4827 | . . . . . . . 8 | |
10 | 9 | biimpar 502 | . . . . . . 7 |
11 | 10 | 3adant3 1081 | . . . . . 6 |
12 | 0fin 8188 | . . . . . . 7 | |
13 | 12 | a1i 11 | . . . . . 6 |
14 | difeq2 3722 | . . . . . . . . 9 | |
15 | difid 3948 | . . . . . . . . 9 | |
16 | 14, 15 | syl6eq 2672 | . . . . . . . 8 |
17 | 16 | eleq1d 2686 | . . . . . . 7 |
18 | 17 | elrab 3363 | . . . . . 6 |
19 | 11, 13, 18 | sylanbrc 698 | . . . . 5 |
20 | ssel 3597 | . . . . 5 | |
21 | 19, 20 | syl5com 31 | . . . 4 |
22 | intss 4498 | . . . . . 6 | |
23 | neldifsn 4321 | . . . . . . . . . 10 | |
24 | elinti 4485 | . . . . . . . . . 10 | |
25 | 23, 24 | mtoi 190 | . . . . . . . . 9 |
26 | simp2 1062 | . . . . . . . . . . . 12 | |
27 | 26 | ssdifssd 3748 | . . . . . . . . . . 11 |
28 | elpw2g 4827 | . . . . . . . . . . . 12 | |
29 | 28 | 3ad2ant1 1082 | . . . . . . . . . . 11 |
30 | 27, 29 | mpbird 247 | . . . . . . . . . 10 |
31 | snfi 8038 | . . . . . . . . . . . 12 | |
32 | eldif 3584 | . . . . . . . . . . . . . . 15 | |
33 | eldif 3584 | . . . . . . . . . . . . . . . . . 18 | |
34 | 33 | notbii 310 | . . . . . . . . . . . . . . . . 17 |
35 | iman 440 | . . . . . . . . . . . . . . . . 17 | |
36 | 34, 35 | bitr4i 267 | . . . . . . . . . . . . . . . 16 |
37 | 36 | anbi2i 730 | . . . . . . . . . . . . . . 15 |
38 | 32, 37 | bitri 264 | . . . . . . . . . . . . . 14 |
39 | pm3.35 611 | . . . . . . . . . . . . . 14 | |
40 | 38, 39 | sylbi 207 | . . . . . . . . . . . . 13 |
41 | 40 | ssriv 3607 | . . . . . . . . . . . 12 |
42 | ssfi 8180 | . . . . . . . . . . . 12 | |
43 | 31, 41, 42 | mp2an 708 | . . . . . . . . . . 11 |
44 | 43 | a1i 11 | . . . . . . . . . 10 |
45 | difeq2 3722 | . . . . . . . . . . . 12 | |
46 | 45 | eleq1d 2686 | . . . . . . . . . . 11 |
47 | 46 | elrab 3363 | . . . . . . . . . 10 |
48 | 30, 44, 47 | sylanbrc 698 | . . . . . . . . 9 |
49 | 25, 48 | nsyl3 133 | . . . . . . . 8 |
50 | 49 | eq0rdv 3979 | . . . . . . 7 |
51 | 50 | sseq2d 3633 | . . . . . 6 |
52 | 22, 51 | syl5ib 234 | . . . . 5 |
53 | ss0 3974 | . . . . 5 | |
54 | 52, 53 | syl6 35 | . . . 4 |
55 | 21, 54 | jcad 555 | . . 3 |
56 | 55 | reximdv 3016 | . 2 |
57 | 8, 56 | mpd 15 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wa 384 w3a 1037 wceq 1483 wcel 1990 wrex 2913 crab 2916 cdif 3571 wss 3574 c0 3915 cpw 4158 csn 4177 cint 4475 class class class wbr 4653 cfv 5888 com 7065 cdom 7953 cfn 7955 cfil 21649 cufil 21703 |
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-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-ac2 9285 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 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-reu 2919 df-rmo 2920 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-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-se 5074 df-we 5075 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-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-isom 5897 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-rpss 6937 df-om 7066 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-fi 8317 df-card 8765 df-ac 8939 df-cda 8990 df-fbas 19743 df-fg 19744 df-fil 21650 df-ufil 21705 |
This theorem is referenced by: (None) |
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