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Mirrors > Home > ILE Home > Th. List > ceqsralt | Unicode version |
Description: Restricted quantifier version of ceqsalt 2715. (Contributed by NM, 28-Feb-2013.) (Revised by Mario Carneiro, 10-Oct-2016.) |
Ref | Expression |
---|---|
ceqsralt |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ral 2422 |
. . . 4
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2 | eleq1 2203 |
. . . . . . . . 9
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3 | 2 | pm5.32ri 451 |
. . . . . . . 8
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4 | 3 | imbi1i 237 |
. . . . . . 7
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5 | impexp 261 |
. . . . . . 7
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6 | impexp 261 |
. . . . . . 7
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7 | 4, 5, 6 | 3bitr3i 209 |
. . . . . 6
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8 | 7 | albii 1447 |
. . . . 5
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9 | 8 | a1i 9 |
. . . 4
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10 | 1, 9 | syl5bb 191 |
. . 3
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11 | 19.21v 1846 |
. . 3
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12 | 10, 11 | syl6bb 195 |
. 2
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13 | biimt 240 |
. . 3
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14 | 13 | 3ad2ant3 1005 |
. 2
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15 | ceqsalt 2715 |
. 2
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16 | 12, 14, 15 | 3bitr2d 215 |
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-8 1483 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-ral 2422 df-v 2691 |
This theorem is referenced by: ceqsralv 2720 |
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