Metamath Proof Explorer
Description: Value of a function given in maps-to notation, with a slightly
different sethood condition. (Contributed by Stefan O'Rear, 30-Jan-2015)
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Ref |
Expression |
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Hypotheses |
fvmpt3.a |
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|
fvmpt3.b |
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fvmpt3.c |
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Assertion |
fvmpt3 |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
fvmpt3.a |
|
2 |
|
fvmpt3.b |
|
3 |
|
fvmpt3.c |
|
4 |
1
|
eleq1d |
|
5 |
4 3
|
vtoclga |
|
6 |
1 2
|
fvmptg |
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7 |
5 6
|
mpdan |
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