Definition df-8o

Description: Define the ordinal number 8. (Contributed by BTernaryTau, 2-Sep-2026)

	Ref	Expression
Assertion	df-8o	⊢ 8o = suc 7o

Detailed syntax breakdown

Step	Hyp	Ref	Expression
0		c8o	⊢ 8o
1		c7o	⊢ 7o
2	1	csuc	⊢ suc 7o
3	0 2	wceq	⊢ 8o = suc 7o