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 e. CC
2	1	sqvali	|- ( 5 ^ 2 ) = ( 5 x. 5 )
3		5t5e25	|- ( 5 x. 5 ) = ; 2 5
4	2 3	eqtri	|- ( 5 ^ 2 ) = ; 2 5