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| Mirrors > Home > ILE Home > Th. List > nnap0d | GIF version | ||
| Description: A positive integer is apart from zero. (Contributed by Jim Kingdon, 25-Aug-2021.) | 
| Ref | Expression | 
|---|---|
| nnge1d.1 | ⊢ (𝜑 → 𝐴 ∈ ℕ) | 
| Ref | Expression | 
|---|---|
| nnap0d | ⊢ (𝜑 → 𝐴 # 0) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | nnge1d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
| 2 | nnap0 9019 | . 2 ⊢ (𝐴 ∈ ℕ → 𝐴 # 0) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 𝐴 # 0) | 
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