Theorem sq8

Description: The square of 8 is 64. (Contributed by SN, 26-Aug-2025)

	Ref	Expression
Assertion	sq8	⊢ ( 8 ↑ 2 ) = ; 6 4

Proof

Step	Hyp	Ref	Expression
1		8cn	⊢ 8 ∈ ℂ
2	1	sqvali	⊢ ( 8 ↑ 2 ) = ( 8 · 8 )
3		8t8e64	⊢ ( 8 · 8 ) = ; 6 4
4	2 3	eqtri	⊢ ( 8 ↑ 2 ) = ; 6 4