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Mirrors > Home > ILE Home > Th. List > r19.30dc | Unicode version |
Description: Restricted quantifier version of 19.30dc 1627. (Contributed by Scott Fenton, 25-Feb-2011.) (Proof shortened by Wolf Lammen, 18-Jun-2023.) |
Ref | Expression |
---|---|
r19.30dc |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralnex 2465 |
. . . . 5
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2 | pm2.53 722 |
. . . . . . 7
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3 | 2 | orcoms 730 |
. . . . . 6
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4 | 3 | ral2imi 2542 |
. . . . 5
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5 | 1, 4 | biimtrrid 153 |
. . . 4
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6 | 5 | adantr 276 |
. . 3
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7 | dfordc 892 |
. . . 4
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8 | 7 | adantl 277 |
. . 3
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9 | 6, 8 | mpbird 167 |
. 2
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10 | 9 | orcomd 729 |
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-in1 614 ax-in2 615 ax-io 709 ax-5 1447 ax-gen 1449 ax-ie2 1494 |
This theorem depends on definitions: df-bi 117 df-dc 835 df-tru 1356 df-fal 1359 df-ral 2460 df-rex 2461 |
This theorem is referenced by: exmidontriimlem1 7222 |
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