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Mirrors > Home > ILE Home > Th. List > excomim | Unicode version |
Description: One direction of Theorem 19.11 of [Margaris] p. 89. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
excomim |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 19.8a 1590 |
. . 3
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2 | 1 | 2eximi 1601 |
. 2
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3 | hbe1 1495 |
. . . 4
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4 | 3 | hbex 1636 |
. . 3
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5 | 4 | 19.9h 1643 |
. 2
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6 | 2, 5 | sylib 122 |
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 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-4 1510 ax-ial 1534 |
This theorem depends on definitions: df-bi 117 |
This theorem is referenced by: excom 1664 2euswapdc 2117 |
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