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| Mirrors > Home > ILE Home > Th. List > eqsstri | Unicode version | ||
| Description: Substitution of equality into a subclass relationship. (Contributed by NM, 16-Jul-1995.) |
| Ref | Expression |
|---|---|
| eqsstr.1 |
|
| eqsstr.2 |
|
| Ref | Expression |
|---|---|
| eqsstri |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqsstr.2 |
. 2
| |
| 2 | eqsstr.1 |
. . 3
| |
| 3 | 2 | sseq1i 3253 |
. 2
|
| 4 | 1, 3 | mpbir 146 |
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-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-11 1554 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3206 df-ss 3213 |
| This theorem is referenced by: eqsstrri 3260 ssrab2 3312 ssrab3 3313 rabssab 3315 difdifdirss 3579 ifssun 3620 opabss 4153 brab2ga 4801 relopabi 4855 dmopabss 4943 resss 5037 relres 5041 exse2 5110 rnin 5146 rnxpss 5168 cnvcnvss 5191 dmmptss 5233 cocnvss 5262 fnres 5449 resasplitss 5516 fabexg 5524 f0 5528 ffvresb 5811 isoini2 5963 dmoprabss 6106 elmpocl 6220 elmpom 6406 tposssxp 6418 dftpos4 6432 smores 6461 smores2 6463 iordsmo 6466 swoer 6733 swoord1 6734 swoord2 6735 ecss 6748 ecopovsym 6803 ecopovtrn 6804 ecopover 6805 ecopovsymg 6806 ecopovtrng 6807 ecopoverg 6808 opabfi 7135 sbthlem7 7165 caserel 7289 ctssdccl 7313 pw1on 7447 pinn 7532 niex 7535 ltrelpi 7547 dmaddpi 7548 dmmulpi 7549 enqex 7583 ltrelnq 7588 enq0ex 7662 ltrelpr 7728 enrex 7960 ltrelsr 7961 ltrelre 8056 axaddf 8091 axmulf 8092 ltrelxr 8243 lerelxr 8245 nn0ssre 9409 nn0ssz 9500 rpre 9898 fz1ssfz0 10355 infssuzcldc 10499 swrd00g 11237 cau3 11696 fsum3cvg3 11978 isumshft 12072 explecnv 12087 clim2prod 12121 ntrivcvgap 12130 dvdszrcl 12374 dvdsflip 12433 phimullem 12818 eulerthlemfi 12821 eulerthlemrprm 12822 eulerthlema 12823 eulerthlemh 12824 eulerthlemth 12825 4sqlem1 12982 4sqlem19 13003 ctiunctlemuom 13078 structcnvcnv 13119 fvsetsid 13137 strleun 13208 dmtopon 14774 lmfval 14944 lmbrf 14966 cnconst2 14984 txuni2 15007 xmeter 15187 ivthinclemex 15393 dvidsslem 15444 dvconstss 15449 dvrecap 15464 lgsquadlemofi 15832 lgsquadlem1 15833 lgsquadlem2 15834 2sqlem7 15877 |
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