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Mirrors > Home > ILE Home > Th. List > reximdvai | Unicode version |
Description: Deduction quantifying both antecedent and consequent, based on Theorem 19.22 of [Margaris] p. 90. (Contributed by NM, 14-Nov-2002.) |
Ref | Expression |
---|---|
reximdvai.1 |
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Ref | Expression |
---|---|
reximdvai |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1509 |
. 2
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2 | reximdvai.1 |
. 2
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3 | 1, 2 | reximdai 2533 |
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-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-4 1488 ax-17 1507 ax-ial 1515 |
This theorem depends on definitions: df-bi 116 df-nf 1438 df-ral 2422 df-rex 2423 |
This theorem is referenced by: reximdv 2536 reximdva 2537 reuind 2893 |
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