| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Equality theorem for subclasses. (The proof was shortened by Andrew Salmon, 21-Jun-2011.) |
| Ref | Expression |
|---|---|
| sseq1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqss 2631 |
. 2
| |
| 2 | sstr2 2623 |
. . . 4
| |
| 3 | 2 | adantl 424 |
. . 3
|
| 4 | sstr2 2623 |
. . . 4
| |
| 5 | 4 | adantr 425 |
. . 3
|
| 6 | 3, 5 | impbid 574 |
. 2
|
| 7 | 1, 6 | sylbi 216 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: sseq12 2640 sseq1i 2641 sseq1d 2644 psseq1 2697 sbss 2980 pwjust 3033 elpw 3037 elpwg 3038 pwpw0 3134 sssn 3142 sspr 3144 prsspwOLD 3151 pwsnALT 3173 unimax 3212 trss 3421 elssabg 3462 intabs 3469 nnullss 3515 exss 3516 fri 3626 frc 3629 rabsnt 3821 onssmin 3878 releq 4071 iss 4254 issOLD 4255 fununi 4481 funcnvuni 4482 fssxpOLD 4576 ffoss 4665 ssimaex 4729 isofrlem 4878 f1oweALT 4883 tfrlem1 5119 oawordeu 5237 elpm 5395 pw2en 5505 sbthlem2 5511 sbth 5520 php 5607 unbnn2 5638 fiint 5650 abfii3 5653 abfii4 5654 hartog 5693 sucprcreg 5703 unbnn3 5746 tz9.1 5753 setind 5759 rankr1 5785 rankr1id 5808 scott0 5847 bnd2 5854 omsubinit 5890 aceq3lem 5894 ac6lem 5916 zorn2lem7 5956 oncard 5978 carduni 6010 cardaleph 6033 cflem 6053 cflim 6057 cflecard 6060 cfeq0 6062 cfsuc 6063 infxpidmlem2 8822 infxpidmlem3 8823 infxpidmlem7 8827 infxpidmlem8 8828 infmap2lem1 8848 infmap2 8850 uniopn 8867 fiinbas 8885 eltg2 8889 tgval3 8895 topbas 8897 subbas 8914 subbas2 8915 subtop 8916 fctop 8920 cctop 8922 retopbas 8925 txuni 8935 iscld 8945 clsval 8953 clsval2 8961 neival 8993 isnei 8994 neiint 8995 neips 9003 opnneissb 9004 opnssneib 9005 innei 9012 islp2 9023 dnsconst 9065 blssex 9131 opnm 9137 blssopn 9144 opnin 9146 neibl 9154 lmbr 9206 bcthlem7 9283 issubg 9425 vacnlem4 9670 grothomex 10136 axgroth6 10137 axgroth3 10138 axgroth4 10139 twpar2 10149 indexfi 10174 fiv 10212 fine 10213 fiuni 10219 fiiu2 10220 elsubsp 10248 stoig 10251 subcld 10254 subtopmetlem 10255 fillsb 10270 fipfil2 10272 oefil2 10275 filfbas 10276 fbssint 10279 infi 10280 fsubbas 10281 fbunfip 10282 fbssfg 10285 fbfgss 10288 fgfil 10290 extbas1 10291 filrn 10293 filmapss 10309 elfilmap 10312 sh 10711 hhsssh 10772 occl 10815 omlsi 10879 pjoml 10902 shintcl 10927 chintcl 10929 spanval 10932 shlub 10987 chnlen0 11001 chsscon3 11056 chlejb1 11068 chnle 11070 spanun 11101 h1datom 11138 cmbr4i 11177 pjoml2 11187 pjoml3 11188 lecm 11193 osumlem8 11220 osum 11223 osumcor2i 11225 spansncv 11233 pjcjt2 11272 pjopyth 11300 pjss1coi 11735 hstel2 11791 stj 11807 stcltr1i 11846 mdi 11867 mdbr3 11869 mdbr4 11870 dmdbr 11871 dmdmd 11872 dmdbr5 11880 mdsl1i 11893 mdslmd1lem3 11899 mdslmd1lem4 11900 mdslmd1i 11901 csmdsymi 11906 atss 11918 atom1d 11925 superpos 11926 chcv1 11927 shatomici 11930 shatomistici 11933 hatomistici 11934 chrelat2 11942 atcvatlem 11957 irredi 11966 atcvat4i 11969 mdsymlem2 11976 mdsymlem3 11977 mdsymlem6 11980 dmdbr6ati 11995 dmdbr7ati 11996 bnj1117 12927 bnj1143 12942 bnj218 13250 bnj1145 13431 bnj1154 13438 bnj1462 13546 dfon2lem3 13851 dfon2lem7 13855 dford4lem1 13859 tz6.26 13913 trclss 13935 frmin 13938 frxp 13951 wfrlem1 13957 wfrlem4 13960 wfrlem15 13971 axfelem16 14046 brsset 14069 infi1 14343 fiiu 14344 ficli 14353 scprefat 14380 scprefat2 14381 twsymr 14394 imfstnrelc 14396 reflincror 14446 reltrncnv 14457 int2pre 14578 posprs 14581 inposetlem 14618 inposet 14620 rninc 14623 ranncnt 14625 dfps2 14634 svs2 14829 svs3 14830 oibbi1 14853 oibbi2 14854 sallnei 14873 osneisi 14875 qusp 14908 fgsb 14921 efilcp 14922 filint2 14923 fgsb2 14925 efilcp2 14926 cnfilca 14927 rcfpfillem3 14930 rcfpfillem4 14931 rcfpfillem5 14932 rcfpfillem6 14933 rcfpfil 14934 clindistop 14962 altretoplem2 14996 altretop 14997 dualalg 15131 infemb 15207 tmpts 15257 vtarsuelt 15272 elfiun 15369 fictb 15371 inficlALT 15372 finsschain 15373 hartogOLD 15384 omsubinitOLD 15399 ssntr 15405 cncls 15419 cnntr 15420 subcls 15424 subntr 15425 compsublem 15430 compsub 15431 hscptsscld 15434 alexsublem2 15438 alexsublem3 15439 alexsublem4 15440 alexsub 15441 connsub 15443 2ndcsb 15476 2ndc1stc 15477 2ndcctbss 15478 isfne3 15482 refssex 15490 fness 15491 fneref 15493 fnessref 15503 neibastop1 15518 neibastop2lem1 15519 neibastop2lem2 15520 neibastop2lem3 15521 neibastop2lem4 15522 neibastop2 15523 neibastop3 15524 topmeet 15526 fnemeet1 15528 fnemeet2 15529 fnejoin1 15530 regsep 15550 nrmsep 15554 nrmsep2 15555 opnfbas 15557 supfil 15560 filfinnfr 15561 filssufillem 15570 filssufil 15571 uffixfr 15575 ufinffr 15578 ufilen 15579 cnpfillim 15589 rnelfmlem 15592 rnelfm 15593 fmfnfmlem2 15595 fmfnfm 15598 fcluscf 15612 flimfnfcls 15615 fcluscnplem 15617 fcluscomplem 15620 tailfb 15639 filnetlem1 15640 filnetlem2 15641 filnetlem3 15642 filnetlem4 15643 filnetlem5 15644 fimax 15746 indexa 15753 indexdom 15754 indexfiOLD 15755 inficl 15757 zornn0 15764 neificl 15841 sstotbnd 15936 totbndss 15937 ismtyhmeolem 15950 heiborlem1 15955 heiborlem20 15974 heiborlem21 15975 heiborlem23 15977 heiborlem42 15996 rrntotbnd 16022 unichnidl 16179 pridl 16185 ismaxidl 16188 igenval 16209 igenval2 16214 ispridlc 16218 ishgrag 16291 hgralem 16292 ispgrag 16301 clatlem 16889 clatlat 16893 iscsubsp 17209 ispsubsp 17226 linepsub 17232 ispsubcl 17347 ispsubcl2 17356 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-10 1308 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-in 2603 df-ss 2605 |