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Mirrors > Home > ILE Home > Th. List > ax11b | Unicode version |
Description: A bidirectional version of ax-11o 1751. (Contributed by NM, 30-Jun-2006.) |
Ref | Expression |
---|---|
ax11b |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax11o 1750 |
. . 3
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2 | 1 | imp 122 |
. 2
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3 | ax-4 1445 |
. . . 4
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4 | 3 | com12 30 |
. . 3
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5 | 4 | adantl 271 |
. 2
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6 | 2, 5 | impbid 127 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in2 580 ax-io 665 ax-5 1381 ax-7 1382 ax-gen 1383 ax-ie1 1427 ax-ie2 1428 ax-8 1440 ax-10 1441 ax-11 1442 ax-i12 1443 ax-4 1445 ax-17 1464 ax-i9 1468 ax-ial 1472 |
This theorem depends on definitions: df-bi 115 df-nf 1395 df-sb 1693 |
This theorem is referenced by: (None) |
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