Description: Define the ordinal number 8. (Contributed by BTernaryTau, 2-Sep-2026)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-8o | Could not format assertion : No typesetting found for |- 8o = suc 7o with typecode |- |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 0 | c8o | Could not format 8o : No typesetting found for class 8o with typecode class | |
| 1 | c7o | Could not format 7o : No typesetting found for class 7o with typecode class | |
| 2 | 1 | csuc | Could not format suc 7o : No typesetting found for class suc 7o with typecode class |
| 3 | 0 2 | wceq | Could not format 8o = suc 7o : No typesetting found for wff 8o = suc 7o with typecode wff |