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Mirrors > Home > ILE Home > Th. List > disjnim | Unicode version |
Description: If a collection ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
disjnim.1 |
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Ref | Expression |
---|---|
disjnim |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-disj 3980 |
. 2
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2 | disjnim.1 |
. . . . . . 7
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3 | 2 | eleq2d 2247 |
. . . . . 6
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4 | 3 | rmo4 2930 |
. . . . 5
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5 | 4 | albii 1470 |
. . . 4
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6 | ralcom4 2759 |
. . . 4
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7 | 5, 6 | bitr4i 187 |
. . 3
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8 | ralcom4 2759 |
. . . . 5
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9 | 19.23v 1883 |
. . . . . . . . 9
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10 | 9 | biimpi 120 |
. . . . . . . 8
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11 | 10 | necon3ad 2389 |
. . . . . . 7
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12 | notm0 3443 |
. . . . . . . 8
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13 | elin 3318 |
. . . . . . . . . 10
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14 | 13 | exbii 1605 |
. . . . . . . . 9
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15 | 14 | notbii 668 |
. . . . . . . 8
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16 | 12, 15 | bitr3i 186 |
. . . . . . 7
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17 | 11, 16 | syl6ibr 162 |
. . . . . 6
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18 | 17 | ralimi 2540 |
. . . . 5
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19 | 8, 18 | sylbir 135 |
. . . 4
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20 | 19 | ralimi 2540 |
. . 3
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21 | 7, 20 | sylbi 121 |
. 2
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22 | 1, 21 | sylbi 121 |
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-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-ext 2159 |
This theorem depends on definitions: df-bi 117 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-ral 2460 df-rmo 2463 df-v 2739 df-dif 3131 df-in 3135 df-nul 3423 df-disj 3980 |
This theorem is referenced by: disjnims 3994 |
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