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Mirrors > Home > ILE Home > Th. List > ssel2 | Unicode version |
Description: Membership relationships follow from a subclass relationship. (Contributed by NM, 7-Jun-2004.) |
Ref | Expression |
---|---|
ssel2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssel 3096 |
. 2
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2 | 1 | imp 123 |
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 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-11 1485 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-in 3082 df-ss 3089 |
This theorem is referenced by: elnn 4527 funimass4 5480 fvelimab 5485 ssimaex 5490 funconstss 5546 rexima 5664 ralima 5665 1st2nd 6087 f1o2ndf1 6133 tfri1dALT 6256 eldju1st 6964 axsuploc 7861 lbinf 8730 dfinfre 8738 lbzbi 9435 elfzom1elp1fzo 10010 ssfzo12 10032 seq3split 10283 shftlem 10620 tgcl 12272 neipsm 12362 txbasval 12475 elmopn2 12657 metrest 12714 cncfmet 12787 negcncf 12796 reeff1olem 12900 |
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