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Mirrors > Home > MPE Home > Th. List > df-fsupp | Structured version Visualization version Unicode version |
Description: Define the property of a function to be finitely supported (in relation to a given zero). (Contributed by AV, 23-May-2019.) |
Ref | Expression |
---|---|
df-fsupp |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cfsupp 7870 |
. 2
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2 | vr |
. . . . . 6
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3 | 2 | cv 1447 |
. . . . 5
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4 | 3 | wfun 5555 |
. . . 4
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5 | vz |
. . . . . . 7
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6 | 5 | cv 1447 |
. . . . . 6
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7 | csupp 6902 |
. . . . . 6
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8 | 3, 6, 7 | co 6276 |
. . . . 5
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9 | cfn 7556 |
. . . . 5
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10 | 8, 9 | wcel 1891 |
. . . 4
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11 | 4, 10 | wa 375 |
. . 3
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12 | 11, 2, 5 | copab 4432 |
. 2
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13 | 1, 12 | wceq 1448 |
1
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Colors of variables: wff setvar class |
This definition is referenced by: relfsupp 7872 isfsupp 7874 |
Copyright terms: Public domain | W3C validator |