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Mirrors > Home > ILE Home > Th. List > rpred | GIF version |
Description: A positive real is a real. (Contributed by Mario Carneiro, 28-May-2016.) |
Ref | Expression |
---|---|
rpred.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
Ref | Expression |
---|---|
rpred | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rpssre 9600 | . 2 ⊢ ℝ+ ⊆ ℝ | |
2 | rpred.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ+) | |
3 | 1, 2 | sselid 3140 | 1 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
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