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Mirrors > Home > ILE Home > Th. List > sbco2vlem | Unicode version |
Description: This is a version of sbco2 1977 where ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
sbco2vlem.1 |
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Ref | Expression |
---|---|
sbco2vlem |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sbco2vlem.1 |
. . 3
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2 | 1 | hbsbv 1953 |
. 2
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3 | sbequ 1851 |
. 2
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4 | 2, 3 | sbieh 1801 |
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-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 |
This theorem depends on definitions: df-bi 117 df-nf 1472 df-sb 1774 |
This theorem is referenced by: sbco2vh 1957 |
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