Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > rexr | Structured version Visualization version GIF version |
Description: A standard real is an extended real. (Contributed by NM, 14-Oct-2005.) |
Ref | Expression |
---|---|
rexr | ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ressxr 11028 | . 2 ⊢ ℝ ⊆ ℝ* | |
2 | 1 | sseli 3918 | 1 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) |
Copyright terms: Public domain | W3C validator |