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Mirrors > Home > MPE Home > Th. List > elnn0z | Structured version Visualization version Unicode version |
Description: Nonnegative integer property expressed in terms of integers. (Contributed by NM, 9-May-2004.) |
Ref | Expression |
---|---|
elnn0z |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elnn0 11294 |
. 2
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2 | elnnz 11387 |
. . 3
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3 | eqcom 2629 |
. . 3
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4 | 2, 3 | orbi12i 543 |
. 2
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5 | id 22 |
. . . . . 6
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6 | 0z 11388 |
. . . . . . 7
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7 | eleq1 2689 |
. . . . . . 7
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8 | 6, 7 | mpbii 223 |
. . . . . 6
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9 | 5, 8 | jaoi 394 |
. . . . 5
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10 | orc 400 |
. . . . 5
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11 | 9, 10 | impbii 199 |
. . . 4
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12 | 11 | anbi1i 731 |
. . 3
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13 | ordir 909 |
. . 3
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14 | 0re 10040 |
. . . . 5
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15 | zre 11381 |
. . . . 5
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16 | leloe 10124 |
. . . . 5
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17 | 14, 15, 16 | sylancr 695 |
. . . 4
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18 | 17 | pm5.32i 669 |
. . 3
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19 | 12, 13, 18 | 3bitr4i 292 |
. 2
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20 | 1, 4, 19 | 3bitri 286 |
1
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