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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 5527 ffvresb 5810 isoini2 5960 dmoprabss 6103 elmpocl 6217 elmpom 6403 tposssxp 6415 dftpos4 6429 smores 6458 smores2 6460 iordsmo 6463 swoer 6730 swoord1 6731 swoord2 6732 ecss 6745 ecopovsym 6800 ecopovtrn 6801 ecopover 6802 ecopovsymg 6803 ecopovtrng 6804 ecopoverg 6805 opabfi 7132 sbthlem7 7162 caserel 7286 ctssdccl 7310 pw1on 7444 pinn 7529 niex 7532 ltrelpi 7544 dmaddpi 7545 dmmulpi 7546 enqex 7580 ltrelnq 7585 enq0ex 7659 ltrelpr 7725 enrex 7957 ltrelsr 7958 ltrelre 8053 axaddf 8088 axmulf 8089 ltrelxr 8240 lerelxr 8242 nn0ssre 9406 nn0ssz 9497 rpre 9895 fz1ssfz0 10352 infssuzcldc 10495 swrd00g 11230 cau3 11676 fsum3cvg3 11958 isumshft 12052 explecnv 12067 clim2prod 12101 ntrivcvgap 12110 dvdszrcl 12354 dvdsflip 12413 phimullem 12798 eulerthlemfi 12801 eulerthlemrprm 12802 eulerthlema 12803 eulerthlemh 12804 eulerthlemth 12805 4sqlem1 12962 4sqlem19 12983 ctiunctlemuom 13058 structcnvcnv 13099 fvsetsid 13117 strleun 13188 dmtopon 14749 lmfval 14919 lmbrf 14941 cnconst2 14959 txuni2 14982 xmeter 15162 ivthinclemex 15368 dvidsslem 15419 dvconstss 15424 dvrecap 15439 lgsquadlemofi 15807 lgsquadlem1 15808 lgsquadlem2 15809 2sqlem7 15852 |
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