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Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-sbimeh | Unicode version |
Description: A strengthening of sbieh 1777 (same proof). (Contributed by BJ, 16-Dec-2019.) |
Ref | Expression |
---|---|
bj-sbimeh.1 | |
bj-sbimeh.2 |
Ref | Expression |
---|---|
bj-sbimeh |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tru 1346 | . . . 4 | |
2 | 1 | hbth 1450 | . . 3 |
3 | bj-sbimeh.1 | . . . 4 | |
4 | 3 | a1i 9 | . . 3 |
5 | bj-sbimeh.2 | . . . 4 | |
6 | 5 | a1i 9 | . . 3 |
7 | 2, 4, 6 | bj-sbimedh 13487 | . 2 |
8 | 7 | mptru 1351 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wal 1340 wtru 1343 wsb 1749 |
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 1434 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-4 1497 ax-ial 1521 |
This theorem depends on definitions: df-bi 116 df-tru 1345 df-sb 1750 |
This theorem is referenced by: bj-sbime 13489 |
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