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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-funs | Unicode version |
Description: Define the class of all functions. See elfuns 25676 for membership. (Contributed by Scott Fenton, 18-Feb-2013.) |
Ref | Expression |
---|---|
df-funs |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cfuns 25602 |
. 2
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2 | cvv 2924 |
. . . . 5
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3 | 2, 2 | cxp 4843 |
. . . 4
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4 | 3 | cpw 3767 |
. . 3
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5 | cep 4460 |
. . . . 5
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6 | c1st 6314 |
. . . . . . 7
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7 | cid 4461 |
. . . . . . . . 9
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8 | 2, 7 | cdif 3285 |
. . . . . . . 8
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9 | c2nd 6315 |
. . . . . . . 8
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10 | 8, 9 | ccom 4849 |
. . . . . . 7
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11 | 6, 10 | ctxp 25595 |
. . . . . 6
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12 | 5 | ccnv 4844 |
. . . . . 6
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13 | 11, 12 | ccom 4849 |
. . . . 5
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14 | 5, 13 | ccom 4849 |
. . . 4
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15 | 14 | cfix 25600 |
. . 3
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16 | 4, 15 | cdif 3285 |
. 2
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17 | 1, 16 | wceq 1649 |
1
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Colors of variables: wff set class |
This definition is referenced by: elfuns 25676 |
Copyright terms: Public domain | W3C validator |