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Mirrors > Home > ILE Home > Th. List > rspcedeq2vd | Unicode version |
Description: Restricted existential specialization, using implicit substitution. Variant of rspcedvd 2750 for equations, in which the right hand side depends on the quantified variable. (Contributed by AV, 24-Dec-2019.) |
Ref | Expression |
---|---|
rspcedeqvd.1 |
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rspcedeqvd.2 |
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Ref | Expression |
---|---|
rspcedeq2vd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rspcedeqvd.1 |
. 2
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2 | rspcedeqvd.2 |
. . . 4
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3 | 2 | eqcomd 2105 |
. . 3
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4 | 3 | eqeq2d 2111 |
. 2
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5 | eqidd 2101 |
. 2
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6 | 1, 4, 5 | rspcedvd 2750 |
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-io 671 ax-5 1391 ax-7 1392 ax-gen 1393 ax-ie1 1437 ax-ie2 1438 ax-8 1450 ax-10 1451 ax-11 1452 ax-i12 1453 ax-bndl 1454 ax-4 1455 ax-17 1474 ax-i9 1478 ax-ial 1482 ax-i5r 1483 ax-ext 2082 |
This theorem depends on definitions: df-bi 116 df-tru 1302 df-nf 1405 df-sb 1704 df-clab 2087 df-cleq 2093 df-clel 2096 df-nfc 2229 df-rex 2381 df-v 2643 |
This theorem is referenced by: (None) |
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