Metamath Proof Explorer
Description: Existence of a set of functions. (Contributed by NM, 3-Dec-2007)
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|
Ref |
Expression |
|
Hypotheses |
fabex.1 |
|
|
|
fabex.2 |
|
|
|
fabex.3 |
|
|
Assertion |
fabex |
|
Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
fabex.1 |
|
2 |
|
fabex.2 |
|
3 |
|
fabex.3 |
|
4 |
3
|
fabexg |
|
5 |
1 2 4
|
mp2an |
|