Metamath Proof Explorer


Definition df-8o

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 |-

Detailed syntax breakdown

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