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Mirrors > Home > MPE Home > Th. List > snfi | Structured version Visualization version Unicode version |
Description: A singleton is finite. (Contributed by NM, 4-Nov-2002.) |
Ref | Expression |
---|---|
snfi |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1onn 7719 |
. . . 4
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2 | ensn1g 8021 |
. . . 4
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3 | breq2 4657 |
. . . . 5
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4 | 3 | rspcev 3309 |
. . . 4
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5 | 1, 2, 4 | sylancr 695 |
. . 3
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6 | snprc 4253 |
. . . 4
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7 | en0 8019 |
. . . . 5
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8 | peano1 7085 |
. . . . . 6
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9 | breq2 4657 |
. . . . . . 7
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10 | 9 | rspcev 3309 |
. . . . . 6
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11 | 8, 10 | mpan 706 |
. . . . 5
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12 | 7, 11 | sylbir 225 |
. . . 4
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13 | 6, 12 | sylbi 207 |
. . 3
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14 | 5, 13 | pm2.61i 176 |
. 2
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15 | isfi 7979 |
. 2
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16 | 14, 15 | mpbir 221 |
1
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