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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 2029 |
. 2
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2 | hba1 1540 |
. . 3
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3 | 2 | hbex 1636 |
. 2
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4 | 1, 3 | hbxfrbi 1472 |
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 df-eu 2029 |
This theorem is referenced by: hbmo1 2064 eupicka 2106 exists2 2123 |
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