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Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-sbimeh | Unicode version |
Description: A strengthening of sbieh 1801 (same proof). (Contributed by BJ, 16-Dec-2019.) |
Ref | Expression |
---|---|
bj-sbimeh.1 |
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bj-sbimeh.2 |
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Ref | Expression |
---|---|
bj-sbimeh |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tru 1368 |
. . . 4
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2 | 1 | hbth 1474 |
. . 3
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3 | bj-sbimeh.1 |
. . . 4
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4 | 3 | a1i 9 |
. . 3
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5 | bj-sbimeh.2 |
. . . 4
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6 | 5 | a1i 9 |
. . 3
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7 | 2, 4, 6 | bj-sbimedh 14926 |
. 2
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8 | 7 | mptru 1373 |
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-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-4 1521 ax-ial 1545 |
This theorem depends on definitions: df-bi 117 df-tru 1367 df-sb 1774 |
This theorem is referenced by: bj-sbime 14928 |
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