Theorem sq5

Description: The square of 5 is 25. (Contributed by SN, 26-Aug-2025)

	Ref	Expression
Assertion	sq5	⊢ ( 5 ↑ 2 ) = ; 2 5

Proof

Step	Hyp	Ref	Expression
1		5cn	⊢ 5 ∈ ℂ
2	1	sqvali	⊢ ( 5 ↑ 2 ) = ( 5 · 5 )
3		5t5e25	⊢ ( 5 · 5 ) = ; 2 5
4	2 3	eqtri	⊢ ( 5 ↑ 2 ) = ; 2 5