Metamath Proof Explorer
Description: e333 without virtual deductions. (Contributed by Alan Sare, 17-Jul-2011) (Proof modification is discouraged.)
(New usage is discouraged.)
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Ref |
Expression |
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Hypotheses |
ee333.1 |
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ee333.2 |
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ee333.3 |
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ee333.4 |
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Assertion |
ee333 |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
ee333.1 |
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2 |
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ee333.2 |
|
3 |
|
ee333.3 |
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4 |
|
ee333.4 |
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5 |
1
|
3imp |
|
6 |
2
|
3imp |
|
7 |
3
|
3imp |
|
8 |
5 6 7 4
|
syl3c |
|
9 |
8
|
3exp |
|