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Mirrors > Home > MPE Home > Th. List > ac6c4 | Structured version Visualization version Unicode version |
Description: Equivalent of Axiom of Choice. is a collection of nonempty sets. (Contributed by Mario Carneiro, 22-Mar-2013.) |
Ref | Expression |
---|---|
ac6c4.1 | |
ac6c4.2 |
Ref | Expression |
---|---|
ac6c4 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1843 | . . . 4 | |
2 | nfcsb1v 3549 | . . . . 5 | |
3 | nfcv 2764 | . . . . 5 | |
4 | 2, 3 | nfne 2894 | . . . 4 |
5 | csbeq1a 3542 | . . . . 5 | |
6 | 5 | neeq1d 2853 | . . . 4 |
7 | 1, 4, 6 | cbvral 3167 | . . 3 |
8 | n0 3931 | . . . . 5 | |
9 | nfv 1843 | . . . . . 6 | |
10 | nfre1 3005 | . . . . . 6 | |
11 | 2 | nfel2 2781 | . . . . . . . . . 10 |
12 | 5 | eleq2d 2687 | . . . . . . . . . 10 |
13 | 11, 12 | rspce 3304 | . . . . . . . . 9 |
14 | eliun 4524 | . . . . . . . . 9 | |
15 | 13, 14 | sylibr 224 | . . . . . . . 8 |
16 | rspe 3003 | . . . . . . . 8 | |
17 | 15, 16 | sylancom 701 | . . . . . . 7 |
18 | 17 | ex 450 | . . . . . 6 |
19 | 9, 10, 18 | exlimd 2087 | . . . . 5 |
20 | 8, 19 | syl5bi 232 | . . . 4 |
21 | 20 | ralimia 2950 | . . 3 |
22 | 7, 21 | sylbi 207 | . 2 |
23 | ac6c4.1 | . . 3 | |
24 | ac6c4.2 | . . . 4 | |
25 | 23, 24 | iunex 7147 | . . 3 |
26 | eleq1 2689 | . . 3 | |
27 | 23, 25, 26 | ac6 9302 | . 2 |
28 | ffn 6045 | . . . 4 | |
29 | nfv 1843 | . . . . . 6 | |
30 | 2 | nfel2 2781 | . . . . . 6 |
31 | fveq2 6191 | . . . . . . 7 | |
32 | 31, 5 | eleq12d 2695 | . . . . . 6 |
33 | 29, 30, 32 | cbvral 3167 | . . . . 5 |
34 | 33 | biimpri 218 | . . . 4 |
35 | 28, 34 | anim12i 590 | . . 3 |
36 | 35 | eximi 1762 | . 2 |
37 | 22, 27, 36 | 3syl 18 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wex 1704 wcel 1990 wne 2794 wral 2912 wrex 2913 cvv 3200 csb 3533 c0 3915 ciun 4520 wfn 5883 wf 5884 cfv 5888 |
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-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-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-wrecs 7407 df-recs 7468 df-en 7956 df-card 8765 df-ac 8939 |
This theorem is referenced by: ac6c5 9304 ac9 9305 |
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