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Mirrors > Home > MPE Home > Th. List > Mathboxes > dfac21 | Structured version Visualization version Unicode version |
Description: Tychonoff's theorem is a choice equivalent. Definition AC21 of Schechter p. 461. (Contributed by Stefan O'Rear, 22-Feb-2015.) (Revised by Mario Carneiro, 27-Aug-2015.) |
Ref | Expression |
---|---|
dfac21 | CHOICE |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vex 3203 | . . . . . . 7 | |
2 | 1 | dmex 7099 | . . . . . 6 |
3 | 2 | a1i 11 | . . . . 5 CHOICE |
4 | simpr 477 | . . . . 5 CHOICE | |
5 | fvex 6201 | . . . . . . . 8 | |
6 | 5 | uniex 6953 | . . . . . . 7 |
7 | acufl 21721 | . . . . . . . 8 CHOICE UFL | |
8 | 7 | adantr 481 | . . . . . . 7 CHOICE UFL |
9 | 6, 8 | syl5eleqr 2708 | . . . . . 6 CHOICE UFL |
10 | simpl 473 | . . . . . . . 8 CHOICE CHOICE | |
11 | dfac10 8959 | . . . . . . . 8 CHOICE | |
12 | 10, 11 | sylib 208 | . . . . . . 7 CHOICE |
13 | 6, 12 | syl5eleqr 2708 | . . . . . 6 CHOICE |
14 | 9, 13 | elind 3798 | . . . . 5 CHOICE UFL |
15 | eqid 2622 | . . . . . 6 | |
16 | eqid 2622 | . . . . . 6 | |
17 | 15, 16 | ptcmpg 21861 | . . . . 5 UFL |
18 | 3, 4, 14, 17 | syl3anc 1326 | . . . 4 CHOICE |
19 | 18 | ex 450 | . . 3 CHOICE |
20 | 19 | alrimiv 1855 | . 2 CHOICE |
21 | fvex 6201 | . . . . . . . . . 10 | |
22 | kelac2lem 37634 | . . . . . . . . . 10 | |
23 | 21, 22 | mp1i 13 | . . . . . . . . 9 |
24 | eqid 2622 | . . . . . . . . 9 | |
25 | 23, 24 | fmptd 6385 | . . . . . . . 8 |
26 | ffdm 6062 | . . . . . . . 8 | |
27 | 25, 26 | syl 17 | . . . . . . 7 |
28 | 27 | simpld 475 | . . . . . 6 |
29 | vex 3203 | . . . . . . . . 9 | |
30 | 29 | dmex 7099 | . . . . . . . 8 |
31 | 30 | mptex 6486 | . . . . . . 7 |
32 | id 22 | . . . . . . . . 9 | |
33 | dmeq 5324 | . . . . . . . . 9 | |
34 | 32, 33 | feq12d 6033 | . . . . . . . 8 |
35 | fveq2 6191 | . . . . . . . . 9 | |
36 | 35 | eleq1d 2686 | . . . . . . . 8 |
37 | 34, 36 | imbi12d 334 | . . . . . . 7 |
38 | 31, 37 | spcv 3299 | . . . . . 6 |
39 | 28, 38 | syl5com 31 | . . . . 5 |
40 | fvex 6201 | . . . . . . . 8 | |
41 | 40 | a1i 11 | . . . . . . 7 |
42 | df-nel 2898 | . . . . . . . . . . 11 | |
43 | 42 | biimpi 206 | . . . . . . . . . 10 |
44 | 43 | ad2antlr 763 | . . . . . . . . 9 |
45 | fvelrn 6352 | . . . . . . . . . . . 12 | |
46 | 45 | adantlr 751 | . . . . . . . . . . 11 |
47 | eleq1 2689 | . . . . . . . . . . 11 | |
48 | 46, 47 | syl5ibcom 235 | . . . . . . . . . 10 |
49 | 48 | necon3bd 2808 | . . . . . . . . 9 |
50 | 44, 49 | mpd 15 | . . . . . . . 8 |
51 | 50 | adantlr 751 | . . . . . . 7 |
52 | fveq2 6191 | . . . . . . . . . . . . . 14 | |
53 | 52 | unieqd 4446 | . . . . . . . . . . . . . . . 16 |
54 | 53 | pweqd 4163 | . . . . . . . . . . . . . . 15 |
55 | 54 | sneqd 4189 | . . . . . . . . . . . . . 14 |
56 | 52, 55 | preq12d 4276 | . . . . . . . . . . . . 13 |
57 | 56 | fveq2d 6195 | . . . . . . . . . . . 12 |
58 | 57 | cbvmptv 4750 | . . . . . . . . . . 11 |
59 | 58 | fveq2i 6194 | . . . . . . . . . 10 |
60 | 59 | eleq1i 2692 | . . . . . . . . 9 |
61 | 60 | biimpi 206 | . . . . . . . 8 |
62 | 61 | adantl 482 | . . . . . . 7 |
63 | 41, 51, 62 | kelac2 37635 | . . . . . 6 |
64 | 63 | ex 450 | . . . . 5 |
65 | 39, 64 | syldc 48 | . . . 4 |
66 | 65 | alrimiv 1855 | . . 3 |
67 | dfac9 8958 | . . 3 CHOICE | |
68 | 66, 67 | sylibr 224 | . 2 CHOICE |
69 | 20, 68 | impbii 199 | 1 CHOICE |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wa 384 wal 1481 wceq 1483 wcel 1990 wne 2794 wnel 2897 cvv 3200 cin 3573 wss 3574 c0 3915 cpw 4158 csn 4177 cpr 4179 cuni 4436 cmpt 4729 cdm 5114 crn 5115 wfun 5882 wf 5884 cfv 5888 cixp 7908 ccrd 8761 CHOICEwac 8938 ctg 16098 cpt 16099 ccmp 21189 UFLcufl 21704 |
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 |
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-iin 4523 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-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-2o 7561 df-oadd 7564 df-omul 7565 df-er 7742 df-map 7859 df-ixp 7909 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-fi 8317 df-wdom 8464 df-card 8765 df-acn 8768 df-ac 8939 df-cda 8990 df-topgen 16104 df-pt 16105 df-fbas 19743 df-fg 19744 df-top 20699 df-topon 20716 df-bases 20750 df-cld 20823 df-ntr 20824 df-cls 20825 df-nei 20902 df-cmp 21190 df-fil 21650 df-ufil 21705 df-ufl 21706 df-flim 21743 df-fcls 21745 |
This theorem is referenced by: (None) |
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