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Mirrors > Home > MPE Home > Th. List > mptexg | Structured version Visualization version Unicode version |
Description: If the domain of a function given by maps-to notation is a set, the function is a set. (Contributed by FL, 6-Jun-2011.) (Revised by Mario Carneiro, 31-Aug-2015.) |
Ref | Expression |
---|---|
mptexg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | funmpt 5926 |
. 2
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2 | eqid 2622 |
. . . 4
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3 | 2 | dmmptss 5631 |
. . 3
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4 | ssexg 4804 |
. . 3
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5 | 3, 4 | mpan 706 |
. 2
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6 | funex 6482 |
. 2
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7 | 1, 5, 6 | sylancr 695 |
1
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