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Mirrors > Home > MPE Home > Th. List > nndivred | Structured version Visualization version GIF version |
Description: A positive integer is one or greater. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
nndivred.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
nndivred.2 | ⊢ (𝜑 → 𝐵 ∈ ℕ) |
Ref | Expression |
---|---|
nndivred | ⊢ (𝜑 → (𝐴 / 𝐵) ∈ ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nndivred.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
2 | nndivred.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℕ) | |
3 | nndivre 12023 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℕ) → (𝐴 / 𝐵) ∈ ℝ) | |
4 | 1, 2, 3 | syl2anc 584 | 1 ⊢ (𝜑 → (𝐴 / 𝐵) ∈ ℝ) |
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