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Arithmetic theorems
8ne0
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9ne0
Metamath Proof Explorer
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Theorem
8ne0
Description:
The number 8 is nonzero.
(Contributed by
SN
, 22-Oct-2025)
Ref
Expression
Assertion
8ne0
⊢
8
≠
0
Proof
Step
Hyp
Ref
Expression
1
8nn
⊢
8
∈
ℕ
2
1
nnne0i
⊢
8
≠
0