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Mirrors > Home > ILE Home > Th. List > reximdai | Unicode version |
Description: Deduction from Theorem 19.22 of [Margaris] p. 90. (Restricted quantifier version.) (Contributed by NM, 31-Aug-1999.) |
Ref | Expression |
---|---|
reximdai.1 |
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reximdai.2 |
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Ref | Expression |
---|---|
reximdai |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reximdai.1 |
. . 3
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2 | reximdai.2 |
. . 3
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3 | 1, 2 | ralrimi 2390 |
. 2
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4 | rexim 2413 |
. 2
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5 | 3, 4 | syl 14 |
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 99 ax-ia2 100 ax-ia3 101 ax-5 1336 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-4 1400 ax-ial 1427 |
This theorem depends on definitions: df-bi 110 df-nf 1350 df-ral 2311 df-rex 2312 |
This theorem is referenced by: reximdvai 2419 |
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