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| Description: If a class is a member of another class, it is a set. |
| Ref | Expression |
|---|---|
| elisseti.1 |
|
| Ref | Expression |
|---|---|
| elisseti |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elisseti.1 |
. 2
| |
| 2 | elisset 1354 |
. 2
| |
| 3 | 1, 2 | ax-mp 6 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: onunisuc 2354 onuninsuc 2356 tz7.44-2 2967 tz7.44-3 2968 caoprmo 3084 oe0 3130 pw2en 3348 pwen 3398 0sdom1dom 3420 unxpdom2 3651 sucxpdom 3652 cfsuc 3709 uncdadom 3718 cdaen 3719 cda1en 3721 cdacomen 3724 cdaassen 3725 nlt1pi 3827 indpi 3828 1qec 3862 mulidpq 3863 1lt2pq 3872 ltaddpq 3873 halfpq 3876 ltrpq 3879 1pr 3911 addclprlem1 3912 1idpr 3927 prlem934a 3931 prlem934b 3932 prlem936 3949 reclem3pr 3952 reclem4pr 3953 gt0srpr 3981 m1p1sr 3995 m1m1sr 3996 0lt1sr 3998 0idsr 4000 1idsr 4001 pn0sr 4004 recexsrlem 4006 addgt0sr 4007 sqgt0sr 4009 ssgt0sr 4011 mappsrpr 4012 ltpsrpr 4013 map2psrpr 4014 suppsr2 4017 suppsr3 4018 supsrlem1 4019 supsrlem2 4020 supsrlem3 4021 supsrlem5 4023 opelreal 4043 elreal 4044 eqresr 4049 mulresr 4051 axicn 4065 axmulass 4073 ax1ne0 4075 axrecex 4079 axi2m1 4082 axmulgt0 4086 axcnre 4087 divval 4217 1nn 4432 nnind 4434 nn1suc 4435 elnn0 4536 nn0ssz 4578 nn0ind 4612 seqlem1 4662 seqlem2 4663 seq1lem 4668 facnnt 4870 fac0 4871 clim0 4882 climuni 4884 ruclem6 4890 ruclem7 4891 ruclem39 4923 xpnnen 4927 infunabs 4946 infcdaabs 4947 infmap1 4950 hlim0 5140 hlimcau 5142 hlimuni 5144 hsn0elch 5155 elch0 5158 occllem6 5185 occllem7 5186 projlem17 5209 projlem26 5218 projlem31 5223 choc0 5291 shintcl 5294 shincl 5332 chincl 5382 h1deot 5454 h1de2ctlem 5460 spansn 5462 osumlem5 5534 pjfn 5586 ho0 5612 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-gen 677 ax-9 799 ax-12 802 ax-17 925 ax-ext 1074 |
| This theorem depends on definitions: df-bi 128 df-an 198 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-v 1349 |