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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 3250 |
. 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 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-11 1552 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-in 3203 df-ss 3210 |
| This theorem is referenced by: eqsstrri 3257 ssrab2 3309 ssrab3 3310 rabssab 3312 difdifdirss 3576 ifssun 3617 opabss 4148 brab2ga 4794 relopabi 4847 dmopabss 4935 resss 5029 relres 5033 exse2 5102 rnin 5138 rnxpss 5160 cnvcnvss 5183 dmmptss 5225 cocnvss 5254 fnres 5440 resasplitss 5507 fabexg 5515 f0 5518 ffvresb 5800 isoini2 5949 dmoprabss 6092 elmpocl 6206 tposssxp 6401 dftpos4 6415 smores 6444 smores2 6446 iordsmo 6449 swoer 6716 swoord1 6717 swoord2 6718 ecss 6731 ecopovsym 6786 ecopovtrn 6787 ecopover 6788 ecopovsymg 6789 ecopovtrng 6790 ecopoverg 6791 opabfi 7111 sbthlem7 7141 caserel 7265 ctssdccl 7289 pw1on 7422 pinn 7507 niex 7510 ltrelpi 7522 dmaddpi 7523 dmmulpi 7524 enqex 7558 ltrelnq 7563 enq0ex 7637 ltrelpr 7703 enrex 7935 ltrelsr 7936 ltrelre 8031 axaddf 8066 axmulf 8067 ltrelxr 8218 lerelxr 8220 nn0ssre 9384 nn0ssz 9475 rpre 9868 fz1ssfz0 10325 infssuzcldc 10467 swrd00g 11197 cau3 11642 fsum3cvg3 11923 isumshft 12017 explecnv 12032 clim2prod 12066 ntrivcvgap 12075 dvdszrcl 12319 dvdsflip 12378 phimullem 12763 eulerthlemfi 12766 eulerthlemrprm 12767 eulerthlema 12768 eulerthlemh 12769 eulerthlemth 12770 4sqlem1 12927 4sqlem19 12948 ctiunctlemuom 13023 structcnvcnv 13064 fvsetsid 13082 strleun 13153 dmtopon 14713 lmfval 14883 lmbrf 14905 cnconst2 14923 txuni2 14946 xmeter 15126 ivthinclemex 15332 dvidsslem 15383 dvconstss 15388 dvrecap 15403 lgsquadlemofi 15771 lgsquadlem1 15772 lgsquadlem2 15773 2sqlem7 15816 |
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