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Mirrors > Home > ILE Home > Th. List > eqimss2 | Unicode version |
Description: Equality implies the subclass relation. (Contributed by NM, 23-Nov-2003.) |
Ref | Expression |
---|---|
eqimss2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqimss 3156 |
. 2
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2 | 1 | eqcoms 2143 |
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: disjeq2 3918 disjeq1 3921 poeq2 4230 seeq1 4269 seeq2 4270 dmcoeq 4819 xp11m 4985 funeq 5151 fconst3m 5647 tposeq 6152 undifdcss 6819 ennnfonelemk 11949 ennnfonelemss 11959 qnnen 11980 topgele 12235 topontopn 12243 txdis 12485 |
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