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Mirrors > Home > MPE Home > Th. List > fvmptg | Structured version Visualization version Unicode version |
Description: Value of a function given in maps-to notation. (Contributed by NM, 2-Oct-2007.) (Revised by Mario Carneiro, 31-Aug-2015.) |
Ref | Expression |
---|---|
fvmptg.1 |
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fvmptg.2 |
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Ref | Expression |
---|---|
fvmptg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2461 |
. 2
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2 | fvmptg.1 |
. . . 4
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3 | 2 | eqeq2d 2471 |
. . 3
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4 | eqeq1 2465 |
. . 3
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5 | moeq 3225 |
. . . 4
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6 | 5 | a1i 11 |
. . 3
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7 | fvmptg.2 |
. . . 4
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8 | df-mpt 4476 |
. . . 4
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9 | 7, 8 | eqtri 2483 |
. . 3
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10 | 3, 4, 6, 9 | fvopab3ig 5967 |
. 2
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11 | 1, 10 | mpi 20 |
1
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