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Mirrors > Home > ILE Home > Th. List > hbeu1 | Unicode version |
Description: Bound-variable hypothesis builder for uniqueness. (Contributed by NM, 9-Jul-1994.) |
Ref | Expression |
---|---|
hbeu1 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-eu 2006 |
. 2
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2 | hba1 1517 |
. . 3
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3 | 2 | hbex 1613 |
. 2
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4 | 1, 3 | hbxfrbi 1449 |
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 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-4 1487 ax-ial 1511 |
This theorem depends on definitions: df-bi 116 df-eu 2006 |
This theorem is referenced by: hbmo1 2041 eupicka 2083 exists2 2100 |
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