| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Equivalent of Axiom of
Choice. Using the Boundedness Axiom bnd2 4870,
we derive this strong version of ac6 4901 that doesn't require |
| Ref | Expression |
|---|---|
| ac6s.1 |
|
| ac6s.2 |
|
| Ref | Expression |
|---|---|
| ac6s |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ac6s.1 |
. . 3
| |
| 2 | 1 | bnd2 4870 |
. 2
|
| 3 | visset 1859 |
. . . . . 6
| |
| 4 | ac6s.2 |
. . . . . 6
| |
| 5 | 1, 3, 4 | ac6 4901 |
. . . . 5
|
| 6 | 5 | anim2i 333 |
. . . 4
|
| 7 | 6 | 19.22i 1076 |
. . 3
|
| 8 | fss 3742 |
. . . . . . . 8
| |
| 9 | 8 | expcom 372 |
. . . . . . 7
|
| 10 | 9 | anim1d 563 |
. . . . . 6
|
| 11 | 10 | 19.22dv 1328 |
. . . . 5
|
| 12 | 11 | imp 348 |
. . . 4
|
| 13 | 12 | 19.23aiv 1333 |
. . 3
|
| 14 | 7, 13 | syl 10 |
. 2
|
| 15 | 2, 14 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ac6n 4903 ac6s2 4904 ac6sf 4906 infcvglem1 7425 metelcls 8176 nmounbseqi 8694 ac6sg 10803 2ndcctbss 11539 rrncms 12075 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 998 ax-gen 999 ax-8 1000 ax-9 1001 ax-10 1002 ax-11 1003 ax-12 1004 ax-13 1005 ax-14 1006 ax-17 1007 ax-4 1009 ax-5o 1011 ax-6o 1014 ax-9o 1159 ax-10o 1177 ax-16 1247 ax-11o 1255 ax-ext 1500 ax-rep 2767 ax-sep 2777 ax-nul 2784 ax-pow 2818 ax-pr 2855 ax-un 3089 ax-reg 4736 ax-inf2 4770 ax-ac 4890 |
| This theorem depends on definitions: df-bi 145 df-or 222 df-an 223 df-3or 782 df-3an 783 df-ex 1017 df-sb 1209 df-eu 1421 df-mo 1422 df-clab 1506 df-cleq 1511 df-clel 1514 df-ne 1630 df-ral 1695 df-rex 1696 df-reu 1697 df-rab 1698 df-v 1858 df-sbc 1987 df-csb 2052 df-dif 2101 df-un 2102 df-in 2103 df-ss 2105 df-nul 2333 df-if 2416 df-pw 2459 df-sn 2470 df-pr 2471 df-tp 2473 df-op 2474 df-uni 2570 df-int 2601 df-iun 2635 df-iin 2636 df-br 2693 df-opab 2741 df-tr 2755 df-eprel 2910 df-id 2913 df-po 2918 df-so 2929 df-fr 2947 df-we 2962 df-ord 2978 df-on 2979 df-lim 2980 df-suc 2981 df-om 3219 df-xp 3265 df-rel 3266 df-cnv 3267 df-co 3268 df-dm 3269 df-rn 3270 df-res 3271 df-ima 3272 df-fun 3273 df-fn 3274 df-f 3275 df-fv 3279 df-rdg 4233 df-r1 4789 df-rank 4790 |