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Mirrors > Home > ILE Home > Th. List > 1red | GIF version |
Description: 1 is an real number, deductive form (common case). (Contributed by David A. Wheeler, 6-Dec-2018.) |
Ref | Expression |
---|---|
1red | ⊢ (𝜑 → 1 ∈ ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1re 7919 | . 2 ⊢ 1 ∈ ℝ | |
2 | 1 | a1i 9 | 1 ⊢ (𝜑 → 1 ∈ ℝ) |
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