Description: Surreal two is non-zero. (Contributed by Scott Fenton, 23-Jul-2025)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | 2ne0s | Could not format assertion : No typesetting found for |- 2s =/= 0s with typecode |- | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | 2nns | Could not format 2s e. NN_s : No typesetting found for |- 2s e. NN_s with typecode |- | |
| 2 | nnne0s | Could not format ( 2s e. NN_s -> 2s =/= 0s ) : No typesetting found for |- ( 2s e. NN_s -> 2s =/= 0s ) with typecode |- | |
| 3 | 1 2 | ax-mp | Could not format 2s =/= 0s : No typesetting found for |- 2s =/= 0s with typecode |- |