Metamath Proof Explorer
Description: Deduction form of logne0 . See logccne0d for a more general
version. (Contributed by SN, 25-Apr-2025)
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|
Ref |
Expression |
|
Hypotheses |
logne0d.a |
|
|
|
logne0d.1 |
|
|
Assertion |
logne0d |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
logne0d.a |
|
2 |
|
logne0d.1 |
|
3 |
|
logne0 |
|
4 |
1 2 3
|
syl2anc |
|