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| Mirrors > Home > ILE Home > Th. List > hashennnuni | Unicode version | ||
| Description: The ordinal size of a set
equinumerous to an element of |
| Ref | Expression |
|---|---|
| hashennnuni |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elun1 3390 |
. . . . 5
| |
| 2 | 1 | adantr 276 |
. . . 4
|
| 3 | endom 7015 |
. . . . 5
| |
| 4 | 3 | adantl 277 |
. . . 4
|
| 5 | breq1 4117 |
. . . . 5
| |
| 6 | 5 | elrab 2976 |
. . . 4
|
| 7 | 2, 4, 6 | sylanbrc 417 |
. . 3
|
| 8 | breq1 4117 |
. . . . . . . . . . . 12
| |
| 9 | 8 | elrab 2976 |
. . . . . . . . . . 11
|
| 10 | 9 | biimpi 120 |
. . . . . . . . . 10
|
| 11 | 10 | adantl 277 |
. . . . . . . . 9
|
| 12 | 11 | simprd 114 |
. . . . . . . 8
|
| 13 | simplr 529 |
. . . . . . . . 9
| |
| 14 | 13 | ensymd 7036 |
. . . . . . . 8
|
| 15 | domentr 7044 |
. . . . . . . 8
| |
| 16 | 12, 14, 15 | syl2anc 411 |
. . . . . . 7
|
| 17 | 16 | adantr 276 |
. . . . . 6
|
| 18 | simpr 110 |
. . . . . . 7
| |
| 19 | simplll 535 |
. . . . . . 7
| |
| 20 | nndomo 7131 |
. . . . . . 7
| |
| 21 | 18, 19, 20 | syl2anc 411 |
. . . . . 6
|
| 22 | 17, 21 | mpbid 147 |
. . . . 5
|
| 23 | nnfi 7140 |
. . . . . . . 8
| |
| 24 | 23 | ad3antrrr 492 |
. . . . . . 7
|
| 25 | 14 | adantr 276 |
. . . . . . 7
|
| 26 | enfii 7142 |
. . . . . . 7
| |
| 27 | 24, 25, 26 | syl2anc 411 |
. . . . . 6
|
| 28 | 12 | adantr 276 |
. . . . . . . 8
|
| 29 | elsni 3712 |
. . . . . . . . . 10
| |
| 30 | 29 | breq1d 4124 |
. . . . . . . . 9
|
| 31 | 30 | adantl 277 |
. . . . . . . 8
|
| 32 | 28, 31 | mpbid 147 |
. . . . . . 7
|
| 33 | infnfi 7165 |
. . . . . . 7
| |
| 34 | 32, 33 | syl 14 |
. . . . . 6
|
| 35 | 27, 34 | pm2.21dd 625 |
. . . . 5
|
| 36 | 11 | simpld 112 |
. . . . . 6
|
| 37 | elun 3364 |
. . . . . 6
| |
| 38 | 36, 37 | sylib 122 |
. . . . 5
|
| 39 | 22, 35, 38 | mpjaodan 806 |
. . . 4
|
| 40 | 39 | ralrimiva 2617 |
. . 3
|
| 41 | ssunieq 3952 |
. . 3
| |
| 42 | 7, 40, 41 | syl2anc 411 |
. 2
|
| 43 | 42 | eqcomd 2240 |
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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-nul 4241 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-iinf 4715 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-sbc 3046 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-opab 4177 df-tr 4214 df-id 4419 df-iord 4492 df-on 4494 df-suc 4497 df-iom 4718 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-f1o 5364 df-fv 5365 df-er 6780 df-en 6989 df-dom 6990 df-fin 6991 |
| This theorem is referenced by: hashennn 11168 |
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