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Related theorems GIF version |
| Description: Deduction from real number to complex number. |
| Ref | Expression |
|---|---|
| recnd.1 | ⊢ (φ → A ∈ ℝ) |
| Ref | Expression |
|---|---|
| recnd | ⊢ (φ → A ∈ ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | recnd.1 | . 2 ⊢ (φ → A ∈ ℝ) | |
| 2 | recnt 5325 | . 2 ⊢ (A ∈ ℝ → A ∈ ℂ) | |
| 3 | 1, 2 | syl 10 | 1 ⊢ (φ → A ∈ ℂ) |