| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 2p1e3 | Structured version Visualization version GIF version | ||
| Description: 2 + 1 = 3. (Contributed by Mario Carneiro, 18-Apr-2015.) |
| Ref | Expression |
|---|---|
| 2p1e3 | ⊢ (2 + 1) = 3 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-3 12330 | . 2 ⊢ 3 = (2 + 1) | |
| 2 | 1 | eqcomi 2746 | 1 ⊢ (2 + 1) = 3 |
| Copyright terms: Public domain | W3C validator |