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Mirrors > Home > ILE Home > Th. List > abbi2dv | Unicode version |
Description: Deduction from a wff to a class abstraction. (Contributed by NM, 9-Jul-1994.) |
Ref | Expression |
---|---|
abbirdv.1 |
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Ref | Expression |
---|---|
abbi2dv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | abbirdv.1 |
. . 3
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2 | 1 | alrimiv 1828 |
. 2
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3 | abeq2 2223 |
. 2
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4 | 2, 3 | sylibr 133 |
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 105 ax-ia2 106 ax-ia3 107 ax-5 1406 ax-7 1407 ax-gen 1408 ax-ie1 1452 ax-ie2 1453 ax-8 1465 ax-11 1467 ax-4 1470 ax-17 1489 ax-i9 1493 ax-ial 1497 ax-i5r 1498 ax-ext 2097 |
This theorem depends on definitions: df-bi 116 df-nf 1420 df-sb 1719 df-clab 2102 df-cleq 2108 df-clel 2111 |
This theorem is referenced by: sbab 2241 iftrue 3445 iffalse 3448 iniseg 4869 fncnvima2 5495 isoini 5673 dftpos3 6113 unfiexmid 6759 tgval3 12070 txrest 12287 cnblcld 12524 |
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