| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Any class is a subclass of itself. Exercise 10 of [TakeutiZaring] p. 18. |
| Ref | Expression |
|---|---|
| ssid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 1473 |
. . 3
| |
| 2 | eqss 2073 |
. . 3
| |
| 3 | 1, 2 | mpbi 189 |
. 2
|
| 4 | 3 | pm3.26i 320 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eqimss 2105 eqimssi 2107 eqimss2i 2108 nssinpss 2236 nsspssun 2237 inv1 2295 disjpss 2315 difid 2330 pwid 2404 elssuni 2521 unimax 2527 intmin 2548 iunpw 2909 ordunidif 3000 onsucuni 3080 ssres2 3378 residm 3382 resdm 3385 ssrnres 3473 fnfrn 3625 fssxp 3628 funssxp 3629 fimacnv 3801 tfrlem1 3902 tz7.48-2 3948 abianfp 3953 oaordi 4170 omwordi 4192 omass 4201 xpdom3 4431 sucprcreg 4580 noinfep 4620 scott0 4697 htalem 4707 zorn2lem4 4771 cflem 4885 cflecard 4892 axresscn 5248 expclt 6521 clmi1 7032 clm4at 7036 clmi2at 7037 climconst 7039 climunii 7043 climshft 7049 climres 7050 climuz0 7053 climmullem8 7071 serzf0 7113 ser1f0 7114 isumclim4t 7144 negfcncf 7212 abscncflem 7217 cjcncf 7221 mulc1cncf 7222 isupivth 7233 dsupivthlem 7234 efcn 7371 reeff1olem1 7372 reeff1olem1OLD 7374 xpnnen 7449 alephexp2 7536 topopn 7552 topbast 7577 subbas 7594 retopbas 7605 topcld 7625 clstop 7650 ntrtop 7651 opnneissb 7678 opnssneib 7679 opnneiid 7687 islp2 7697 ssblex 7808 opnm 7812 blssopn 7819 blnei 7831 cncfmet1 7858 lmbrf 7882 iscauf 7891 iscau4 7892 iscau5 7893 lmsslem 7903 caussi 7905 lmclimnn 7915 opr1scn 7930 grpidinv2 8010 grpinv 8019 abscncfALT 8291 sspid 8331 ssps 8336 pilem1 8609 efghgrpilem 8653 efifolem1 8656 axgroth3 8718 grothinf 8720 h2hcau 8788 h2hlm 8789 helch 9055 hhssnv 9073 hhsssh 9078 occlt 9121 omls 9184 shintclt 9232 chintclt 9234 shlesb1 9297 chm1 9317 chlejb1 9337 chm0 9351 chabs1t 9377 chabs2t 9378 spanunt 9406 cmid 9493 pjidmco 10043 hst0t 10098 csmdsym 10198 sumdmdlem2 10282 dmdbr5at 10284 mdcompl 10290 dmdcompl 10291 fgsb 10480 efilcp 10481 fgsb2 10485 efilcp2 10486 0alg 10569 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-10 964 ax-12 966 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 979 df-sb 1170 df-clab 1462 df-cleq 1467 df-clel 1470 df-in 2047 df-ss 2049 |