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Mirrors > Home > MPE Home > Th. List > elfzo0 | Structured version Visualization version Unicode version |
Description: Membership in a half-open integer range based at 0. (Contributed by Stefan O'Rear, 15-Aug-2015.) (Revised by Mario Carneiro, 29-Sep-2015.) |
Ref | Expression |
---|---|
elfzo0 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfzouz 12474 |
. . . 4
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2 | elnn0uz 11725 |
. . . 4
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3 | 1, 2 | sylibr 224 |
. . 3
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4 | elfzolt3b 12482 |
. . . 4
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5 | lbfzo0 12507 |
. . . 4
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6 | 4, 5 | sylib 208 |
. . 3
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7 | elfzolt2 12479 |
. . 3
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8 | 3, 6, 7 | 3jca 1242 |
. 2
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9 | simp1 1061 |
. . . 4
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10 | 9, 2 | sylib 208 |
. . 3
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11 | nnz 11399 |
. . . 4
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12 | 11 | 3ad2ant2 1083 |
. . 3
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13 | simp3 1063 |
. . 3
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14 | elfzo2 12473 |
. . 3
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15 | 10, 12, 13, 14 | syl3anbrc 1246 |
. 2
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16 | 8, 15 | impbii 199 |
1
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