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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 3396 |
. . . . 5
| |
| 2 | 1 | adantr 276 |
. . . 4
|
| 3 | endom 7049 |
. . . . 5
| |
| 4 | 3 | adantl 277 |
. . . 4
|
| 5 | breq1 4133 |
. . . . 5
| |
| 6 | 5 | elrab 2982 |
. . . 4
|
| 7 | 2, 4, 6 | sylanbrc 421 |
. . 3
|
| 8 | breq1 4133 |
. . . . . . . . . . . 12
| |
| 9 | 8 | elrab 2982 |
. . . . . . . . . . 11
|
| 10 | 9 | biimpi 120 |
. . . . . . . . . 10
|
| 11 | 10 | adantl 277 |
. . . . . . . . 9
|
| 12 | 11 | simprd 114 |
. . . . . . . 8
|
| 13 | simplr 533 |
. . . . . . . . 9
| |
| 14 | 13 | ensymd 7070 |
. . . . . . . 8
|
| 15 | domentr 7078 |
. . . . . . . 8
| |
| 16 | 12, 14, 15 | syl2anc 415 |
. . . . . . 7
|
| 17 | 16 | adantr 276 |
. . . . . 6
|
| 18 | simpr 110 |
. . . . . . 7
| |
| 19 | simplll 539 |
. . . . . . 7
| |
| 20 | nndomo 7165 |
. . . . . . 7
| |
| 21 | 18, 19, 20 | syl2anc 415 |
. . . . . 6
|
| 22 | 17, 21 | mpbid 147 |
. . . . 5
|
| 23 | nnfi 7174 |
. . . . . . . 8
| |
| 24 | 23 | ad3antrrr 496 |
. . . . . . 7
|
| 25 | 14 | adantr 276 |
. . . . . . 7
|
| 26 | enfii 7176 |
. . . . . . 7
| |
| 27 | 24, 25, 26 | syl2anc 415 |
. . . . . 6
|
| 28 | 12 | adantr 276 |
. . . . . . . 8
|
| 29 | elsni 3727 |
. . . . . . . . . 10
| |
| 30 | 29 | breq1d 4140 |
. . . . . . . . 9
|
| 31 | 30 | adantl 277 |
. . . . . . . 8
|
| 32 | 28, 31 | mpbid 147 |
. . . . . . 7
|
| 33 | infnfi 7199 |
. . . . . . 7
| |
| 34 | 32, 33 | syl 14 |
. . . . . 6
|
| 35 | 27, 34 | pm2.21dd 629 |
. . . . 5
|
| 36 | 11 | simpld 112 |
. . . . . 6
|
| 37 | elun 3370 |
. . . . . 6
| |
| 38 | 36, 37 | sylib 122 |
. . . . 5
|
| 39 | 22, 35, 38 | mpjaodan 810 |
. . . 4
|
| 40 | 39 | ralrimiva 2623 |
. . 3
|
| 41 | ssunieq 3968 |
. . 3
| |
| 42 | 7, 40, 41 | syl2anc 415 |
. 2
|
| 43 | 42 | eqcomd 2244 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-nul 4259 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-iinf 4735 |
| This proof depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-opab 4193 df-tr 4230 df-id 4438 df-iord 4511 df-on 4513 df-suc 4516 df-iom 4738 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-f1 5382 df-fo 5383 df-f1o 5384 df-fv 5385 df-er 6807 df-en 7023 df-dom 7024 df-fin 7025 |
| This theorem is used by: hashennn 11219 |
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