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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 3266 |
. 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 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-in 3219 df-ss 3226 |
| This theorem is referenced by: eqsstrri 3273 ssrab2 3325 ssrab3 3326 rabssab 3329 difdifdirss 3596 ifssun 3639 opabss 4176 brab2ga 4827 relopabi 4882 dmopabss 4970 resss 5064 relres 5068 exse2 5138 rnin 5174 rnxpss 5196 cnvcnvss 5219 dmmptss 5261 cocnvss 5290 fnres 5477 resasplitss 5546 fabexg 5556 f0 5560 ffvresb 5842 isoini2 5994 dmoprabss 6137 elmpocl 6251 elmpom 6436 tposssxp 6482 dftpos4 6496 smores 6525 smores2 6527 iordsmo 6530 swoer 6797 swoord1 6798 swoord2 6799 ecss 6812 ecopovsym 6867 ecopovtrn 6868 ecopover 6869 ecopovsymg 6870 ecopovtrng 6871 ecopoverg 6872 opabfi 7202 sbthlem7 7235 caserel 7380 ctssdccl 7404 pw1on 7538 pinn 7626 niex 7629 ltrelpi 7641 dmaddpi 7642 dmmulpi 7643 enqex 7677 ltrelnq 7682 enq0ex 7756 ltrelpr 7822 enrex 8054 ltrelsr 8055 ltrelre 8150 axaddf 8185 axmulf 8186 ltrelxr 8336 lerelxr 8338 nn0ssre 9502 nn0ssz 9597 rpre 9996 fz1ssfz0 10455 infssuzcldc 10599 swrd00g 11345 cau3 11804 fsum3cvg3 12086 isumshft 12180 explecnv 12195 clim2prod 12229 ntrivcvgap 12238 dvdszrcl 12482 dvdsflip 12541 phimullem 12926 eulerthlemfi 12929 eulerthlemrprm 12930 eulerthlema 12931 eulerthlemh 12932 eulerthlemth 12933 4sqlem1 13090 4sqlem19 13111 ctiunctlemuom 13204 structcnvcnv 13245 fvsetsid 13263 strleun 13334 dmtopon 14905 lmfval 15075 lmbrf 15097 cnconst2 15115 txuni2 15138 xmeter 15318 ivthinclemex 15524 dvidsslem 15575 dvconstss 15580 dvrecap 15595 lgsquadlemofi 15966 lgsquadlem1 15967 lgsquadlem2 15968 2sqlem7 16011 |
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