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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 3340 |
. . . . 5
| |
| 2 | 1 | adantr 276 |
. . . 4
|
| 3 | endom 6854 |
. . . . 5
| |
| 4 | 3 | adantl 277 |
. . . 4
|
| 5 | breq1 4047 |
. . . . 5
| |
| 6 | 5 | elrab 2929 |
. . . 4
|
| 7 | 2, 4, 6 | sylanbrc 417 |
. . 3
|
| 8 | breq1 4047 |
. . . . . . . . . . . 12
| |
| 9 | 8 | elrab 2929 |
. . . . . . . . . . 11
|
| 10 | 9 | biimpi 120 |
. . . . . . . . . 10
|
| 11 | 10 | adantl 277 |
. . . . . . . . 9
|
| 12 | 11 | simprd 114 |
. . . . . . . 8
|
| 13 | simplr 528 |
. . . . . . . . 9
| |
| 14 | 13 | ensymd 6875 |
. . . . . . . 8
|
| 15 | domentr 6883 |
. . . . . . . 8
| |
| 16 | 12, 14, 15 | syl2anc 411 |
. . . . . . 7
|
| 17 | 16 | adantr 276 |
. . . . . 6
|
| 18 | simpr 110 |
. . . . . . 7
| |
| 19 | simplll 533 |
. . . . . . 7
| |
| 20 | nndomo 6961 |
. . . . . . 7
| |
| 21 | 18, 19, 20 | syl2anc 411 |
. . . . . 6
|
| 22 | 17, 21 | mpbid 147 |
. . . . 5
|
| 23 | nnfi 6969 |
. . . . . . . 8
| |
| 24 | 23 | ad3antrrr 492 |
. . . . . . 7
|
| 25 | 14 | adantr 276 |
. . . . . . 7
|
| 26 | enfii 6971 |
. . . . . . 7
| |
| 27 | 24, 25, 26 | syl2anc 411 |
. . . . . 6
|
| 28 | 12 | adantr 276 |
. . . . . . . 8
|
| 29 | elsni 3651 |
. . . . . . . . . 10
| |
| 30 | 29 | breq1d 4054 |
. . . . . . . . 9
|
| 31 | 30 | adantl 277 |
. . . . . . . 8
|
| 32 | 28, 31 | mpbid 147 |
. . . . . . 7
|
| 33 | infnfi 6992 |
. . . . . . 7
| |
| 34 | 32, 33 | syl 14 |
. . . . . 6
|
| 35 | 27, 34 | pm2.21dd 621 |
. . . . 5
|
| 36 | 11 | simpld 112 |
. . . . . 6
|
| 37 | elun 3314 |
. . . . . 6
| |
| 38 | 36, 37 | sylib 122 |
. . . . 5
|
| 39 | 22, 35, 38 | mpjaodan 800 |
. . . 4
|
| 40 | 39 | ralrimiva 2579 |
. . 3
|
| 41 | ssunieq 3883 |
. . 3
| |
| 42 | 7, 40, 41 | syl2anc 411 |
. 2
|
| 43 | 42 | eqcomd 2211 |
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 615 ax-in2 616 ax-io 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-13 2178 ax-14 2179 ax-ext 2187 ax-sep 4162 ax-nul 4170 ax-pow 4218 ax-pr 4253 ax-un 4480 ax-setind 4585 ax-iinf 4636 |
| This theorem depends on definitions: df-bi 117 df-dc 837 df-3or 982 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1484 df-sb 1786 df-eu 2057 df-mo 2058 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ne 2377 df-ral 2489 df-rex 2490 df-rab 2493 df-v 2774 df-sbc 2999 df-dif 3168 df-un 3170 df-in 3172 df-ss 3179 df-nul 3461 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-uni 3851 df-int 3886 df-br 4045 df-opab 4106 df-tr 4143 df-id 4340 df-iord 4413 df-on 4415 df-suc 4418 df-iom 4639 df-xp 4681 df-rel 4682 df-cnv 4683 df-co 4684 df-dm 4685 df-rn 4686 df-res 4687 df-ima 4688 df-iota 5232 df-fun 5273 df-fn 5274 df-f 5275 df-f1 5276 df-fo 5277 df-f1o 5278 df-fv 5279 df-er 6620 df-en 6828 df-dom 6829 df-fin 6830 |
| This theorem is referenced by: hashennn 10925 |
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