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Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-elssuniab | Unicode version |
Description: Version of elssuni 3863 using a class abstraction and explicit substitution. (Contributed by BJ, 29-Nov-2019.) |
Ref | Expression |
---|---|
bj-elssuniab.nf |
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Ref | Expression |
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bj-elssuniab |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sbc8g 2993 |
. 2
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2 | elssuni 3863 |
. 2
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3 | 1, 2 | biimtrdi 163 |
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-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2175 |
This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-v 2762 df-sbc 2986 df-in 3159 df-ss 3166 df-uni 3836 |
This theorem is referenced by: (None) |
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