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Mirrors > Home > ILE Home > Th. List > sstrdi | Unicode version |
Description: Subclass transitivity deduction. (Contributed by Jonathan Ben-Naim, 3-Jun-2011.) |
Ref | Expression |
---|---|
sstrdi.1 |
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sstrdi.2 |
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Ref | Expression |
---|---|
sstrdi |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sstrdi.1 |
. 2
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2 | sstrdi.2 |
. . 3
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3 | 2 | a1i 9 |
. 2
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4 | 1, 3 | sstrd 3180 |
1
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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 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-11 1517 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2171 |
This theorem depends on definitions: df-bi 117 df-nf 1472 df-sb 1774 df-clab 2176 df-cleq 2182 df-clel 2185 df-in 3150 df-ss 3157 |
This theorem is referenced by: difss2 3278 sstpr 3772 rintm 3994 eqbrrdva 4815 dmxpss2 5079 rnxpss2 5080 ssxpbm 5082 ssxp1 5083 ssxp2 5084 relfld 5175 funssxp 5404 dff2 5681 fliftf 5821 1stcof 6188 2ndcof 6189 tfrlemibfn 6353 tfr1onlembfn 6369 tfrcllemssrecs 6377 tfrcllembfn 6382 sucinc2 6471 peano5nnnn 7921 peano5nni 8952 suprzclex 9381 ioodisj 10023 fzssnn 10098 fzossnn0 10205 elfzom1elp1fzo 10232 frecuzrdgtcl 10443 frecuzrdgdomlem 10448 frecuzrdgfunlem 10450 zfz1iso 10853 seq3coll 10854 summodclem2a 11421 summodclem2 11422 zsumdc 11424 fsumsersdc 11435 fsum3cvg3 11436 prodmodclem2a 11616 prodmodclem2 11617 zproddc 11619 4sqlem11 12433 exmidunben 12477 nninfdclemp1 12501 strsetsid 12545 reldvdsrsrg 13442 lmss 14206 dvbssntrcntop 14613 dvcjbr 14632 reeff1olem 14652 peano5set 15153 |
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