Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > sstr2 | Structured version Visualization version Unicode version |
Description: Transitivity of subclasses. Exercise 5 of [TakeutiZaring] p. 17. (Contributed by NM, 24-Jun-1993.) (Proof shortened by Andrew Salmon, 14-Jun-2011.) |
Ref | Expression |
---|---|
sstr2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssel 3597 | . . . 4 | |
2 | 1 | imim1d 82 | . . 3 |
3 | 2 | alimdv 1845 | . 2 |
4 | dfss2 3591 | . 2 | |
5 | dfss2 3591 | . 2 | |
6 | 3, 4, 5 | 3imtr4g 285 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wal 1481 wcel 1990 wss 3574 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-in 3581 df-ss 3588 |
This theorem is referenced by: sstr 3611 sstri 3612 sseq1 3626 sseq2 3627 ssun3 3778 ssun4 3779 ssinss1 3841 ssdisjOLD 4027 triun 4766 trintss 4769 sspwb 4917 exss 4931 frss 5081 relss 5206 funss 5907 funimass2 5972 fss 6056 suceloni 7013 limsssuc 7050 oaordi 7626 oeworde 7673 nnaordi 7698 sbthlem2 8071 sbthlem3 8072 sbthlem6 8075 domunfican 8233 fiint 8237 fiss 8330 dffi3 8337 inf3lem1 8525 trcl 8604 tcss 8620 ac10ct 8857 ackbij2lem4 9064 cfslb 9088 cfslbn 9089 cfcoflem 9094 coftr 9095 fin23lem15 9156 fin23lem20 9159 fin23lem36 9170 isf32lem1 9175 axdc3lem2 9273 ttukeylem2 9332 wunex2 9560 tskcard 9603 clsslem 13723 mrcss 16276 isacs2 16314 lubss 17121 frmdss2 17400 lsmlub 18078 lsslss 18961 lspss 18984 aspss 19332 mplcoe1 19465 mplcoe5 19468 ocv2ss 20017 ocvsscon 20019 lindsss 20163 lsslinds 20170 mdetunilem9 20426 tgss 20772 tgcl 20773 tgss3 20790 clsss 20858 ntrss 20859 neiss 20913 ssnei2 20920 opnnei 20924 cnpnei 21068 cnpco 21071 cncls 21078 cnprest 21093 hauscmp 21210 1stcfb 21248 1stcelcls 21264 reftr 21317 txcnpi 21411 txcnp 21423 txtube 21443 qtoptop2 21502 fgcl 21682 filssufilg 21715 ufileu 21723 uffix 21725 elfm2 21752 fmfnfmlem1 21758 fmco 21765 fbflim2 21781 flffbas 21799 flftg 21800 cnpflf2 21804 alexsubALTlem4 21854 neibl 22306 metcnp3 22345 xlebnum 22764 lebnumii 22765 caubl 23106 caublcls 23107 bcthlem2 23122 bcthlem5 23125 ovolsslem 23252 volsuplem 23323 dyadmbllem 23367 ellimc3 23643 limciun 23658 cpnord 23698 ubthlem1 27726 occon3 28156 chsupval 28194 chsupcl 28199 chsupss 28201 spanss 28207 chsupval2 28269 stlei 29099 dmdbr5 29167 mdsl0 29169 chrelat2i 29224 chirredlem1 29249 mdsymlem5 29266 mdsymlem6 29267 gsumle 29779 gsumvsca1 29782 gsumvsca2 29783 omsmon 30360 cvmliftlem15 31280 ss2mcls 31465 mclsax 31466 clsint2 32324 fgmin 32365 filnetlem4 32376 limsucncmpi 32444 bj-restpw 33045 bj-0int 33055 ptrecube 33409 heiborlem1 33610 heiborlem8 33617 pclssN 35180 dochexmidlem7 36755 incssnn0 37274 islssfg2 37641 hbtlem6 37699 hess 38074 psshepw 38082 clsf2 38424 sspwimpcf 39156 sspwimpcfVD 39157 dvmptfprod 40160 sprsymrelfo 41747 elbigo2 42346 setrec1lem2 42435 setrec1lem4 42437 |
Copyright terms: Public domain | W3C validator |