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| Mirrors > Home > ILE Home > Th. List > acnccim | Unicode version | ||
| Description: Given countable choice,
every set has choice sets of length |
| Ref | Expression |
|---|---|
| acnccim |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 109 |
. . . . . . 7
| |
| 2 | elmapfn 6788 |
. . . . . . . 8
| |
| 3 | 2 | adantl 277 |
. . . . . . 7
|
| 4 | elmapi 6787 |
. . . . . . . . . . . 12
| |
| 5 | 4 | ad2antlr 489 |
. . . . . . . . . . 11
|
| 6 | simpr 110 |
. . . . . . . . . . 11
| |
| 7 | 5, 6 | ffvelcdmd 5744 |
. . . . . . . . . 10
|
| 8 | eleq2 2273 |
. . . . . . . . . . . 12
| |
| 9 | 8 | exbidv 1851 |
. . . . . . . . . . 11
|
| 10 | 9 | elrab 2939 |
. . . . . . . . . 10
|
| 11 | 7, 10 | sylib 122 |
. . . . . . . . 9
|
| 12 | 11 | simprd 114 |
. . . . . . . 8
|
| 13 | 12 | ralrimiva 2583 |
. . . . . . 7
|
| 14 | 1, 3, 13 | cc2 7421 |
. . . . . 6
|
| 15 | exsimpr 1644 |
. . . . . 6
| |
| 16 | 14, 15 | syl 14 |
. . . . 5
|
| 17 | 16 | ralrimiva 2583 |
. . . 4
|
| 18 | vex 2782 |
. . . . 5
| |
| 19 | omex 4662 |
. . . . 5
| |
| 20 | isacnm 7353 |
. . . . 5
| |
| 21 | 18, 19, 20 | mp2an 426 |
. . . 4
|
| 22 | 17, 21 | sylibr 134 |
. . 3
|
| 23 | 18 | a1i 9 |
. . 3
|
| 24 | 22, 23 | 2thd 175 |
. 2
|
| 25 | 24 | eqrdv 2207 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 713 ax-5 1473 ax-7 1474 ax-gen 1475 ax-ie1 1519 ax-ie2 1520 ax-8 1530 ax-10 1531 ax-11 1532 ax-i12 1533 ax-bndl 1535 ax-4 1536 ax-17 1552 ax-i9 1556 ax-ial 1560 ax-i5r 1561 ax-13 2182 ax-14 2183 ax-ext 2191 ax-coll 4178 ax-sep 4181 ax-pow 4237 ax-pr 4272 ax-un 4501 ax-setind 4606 ax-iinf 4657 |
| This theorem depends on definitions: df-bi 117 df-3an 985 df-tru 1378 df-fal 1381 df-nf 1487 df-sb 1789 df-eu 2060 df-mo 2061 df-clab 2196 df-cleq 2202 df-clel 2205 df-nfc 2341 df-ne 2381 df-ral 2493 df-rex 2494 df-reu 2495 df-rab 2497 df-v 2781 df-sbc 3009 df-csb 3105 df-dif 3179 df-un 3181 df-in 3183 df-ss 3190 df-pw 3631 df-sn 3652 df-pr 3653 df-op 3655 df-uni 3868 df-int 3903 df-iun 3946 df-br 4063 df-opab 4125 df-mpt 4126 df-id 4361 df-iom 4660 df-xp 4702 df-rel 4703 df-cnv 4704 df-co 4705 df-dm 4706 df-rn 4707 df-res 4708 df-ima 4709 df-iota 5254 df-fun 5296 df-fn 5297 df-f 5298 df-f1 5299 df-fo 5300 df-f1o 5301 df-fv 5302 df-ov 5977 df-oprab 5978 df-mpo 5979 df-2nd 6257 df-er 6650 df-map 6767 df-en 6858 df-acnm 7320 df-cc 7417 |
| This theorem is referenced by: (None) |
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