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| Mirrors > Home > ILE Home > Th. List > hashennn | Unicode version | ||
| Description: The size of a set
equinumerous to an element of |
| Ref | Expression |
|---|---|
| hashennn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ihash 11164 |
. . . . 5
| |
| 2 | 1 | fveq1i 5676 |
. . . 4
|
| 3 | funmpt 5395 |
. . . . 5
| |
| 4 | hashennnuni 11167 |
. . . . . . . . 9
| |
| 5 | 4 | eqcomd 2240 |
. . . . . . . 8
|
| 6 | nnfi 7140 |
. . . . . . . . . . 11
| |
| 7 | 6 | adantr 276 |
. . . . . . . . . 10
|
| 8 | simpr 110 |
. . . . . . . . . . 11
| |
| 9 | 8 | ensymd 7036 |
. . . . . . . . . 10
|
| 10 | enfii 7142 |
. . . . . . . . . 10
| |
| 11 | 7, 9, 10 | syl2anc 411 |
. . . . . . . . 9
|
| 12 | simpl 109 |
. . . . . . . . 9
| |
| 13 | simpr 110 |
. . . . . . . . . . 11
| |
| 14 | breq2 4118 |
. . . . . . . . . . . . . 14
| |
| 15 | 14 | adantr 276 |
. . . . . . . . . . . . 13
|
| 16 | 15 | rabbidv 2804 |
. . . . . . . . . . . 12
|
| 17 | 16 | unieqd 3930 |
. . . . . . . . . . 11
|
| 18 | 13, 17 | eqeq12d 2249 |
. . . . . . . . . 10
|
| 19 | 18 | opelopabga 4386 |
. . . . . . . . 9
|
| 20 | 11, 12, 19 | syl2anc 411 |
. . . . . . . 8
|
| 21 | 5, 20 | mpbird 167 |
. . . . . . 7
|
| 22 | mptv 4212 |
. . . . . . 7
| |
| 23 | 21, 22 | eleqtrrdi 2328 |
. . . . . 6
|
| 24 | opeldmg 4966 |
. . . . . . 7
| |
| 25 | 11, 12, 24 | syl2anc 411 |
. . . . . 6
|
| 26 | 23, 25 | mpd 13 |
. . . . 5
|
| 27 | fvco 5752 |
. . . . 5
| |
| 28 | 3, 26, 27 | sylancr 414 |
. . . 4
|
| 29 | 2, 28 | eqtrid 2279 |
. . 3
|
| 30 | 11 | elexd 2829 |
. . . . . 6
|
| 31 | 4, 12 | eqeltrd 2311 |
. . . . . 6
|
| 32 | 14 | rabbidv 2804 |
. . . . . . . 8
|
| 33 | 32 | unieqd 3930 |
. . . . . . 7
|
| 34 | eqid 2234 |
. . . . . . 7
| |
| 35 | 33, 34 | fvmptg 5758 |
. . . . . 6
|
| 36 | 30, 31, 35 | syl2anc 411 |
. . . . 5
|
| 37 | 36, 4 | eqtrd 2267 |
. . . 4
|
| 38 | 37 | fveq2d 5679 |
. . 3
|
| 39 | 29, 38 | eqtrd 2267 |
. 2
|
| 40 | ordom 4734 |
. . . . . . 7
| |
| 41 | ordirr 4669 |
. . . . . . 7
| |
| 42 | 40, 41 | ax-mp 5 |
. . . . . 6
|
| 43 | eleq1 2297 |
. . . . . 6
| |
| 44 | 42, 43 | mtbii 681 |
. . . . 5
|
| 45 | 44 | necon2ai 2468 |
. . . 4
|
| 46 | fvunsng 5883 |
. . . 4
| |
| 47 | 45, 46 | mpdan 421 |
. . 3
|
| 48 | 47 | adantr 276 |
. 2
|
| 49 | 39, 48 | eqtrd 2267 |
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-mpt 4178 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 df-ihash 11164 |
| This theorem is referenced by: hashcl 11169 hashfz1 11171 hashen 11172 fihashdom 11192 hashun 11194 |
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