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Mirrors > Home > ILE Home > Th. List > zq | Unicode version |
Description: An integer is a rational number. (Contributed by NM, 9-Jan-2002.) |
Ref | Expression |
---|---|
zq |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | zcn 8816 |
. . . . . . 7
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2 | 1 | div1d 8308 |
. . . . . 6
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3 | 2 | eqeq2d 2100 |
. . . . 5
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4 | eqcom 2091 |
. . . . 5
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5 | 3, 4 | syl6rbbr 198 |
. . . 4
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6 | 1nn 8494 |
. . . . 5
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7 | oveq2 5674 |
. . . . . . 7
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8 | 7 | eqeq2d 2100 |
. . . . . 6
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9 | 8 | rspcev 2723 |
. . . . 5
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10 | 6, 9 | mpan 416 |
. . . 4
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11 | 5, 10 | syl6bi 162 |
. . 3
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12 | 11 | reximia 2469 |
. 2
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13 | risset 2407 |
. 2
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14 | elq 9168 |
. 2
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15 | 12, 13, 14 | 3imtr4i 200 |
1
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