Theorem 1div1e1

Description: 1 divided by 1 is 1. (Contributed by David A. Wheeler, 7-Dec-2018)

	Ref	Expression
Assertion	1div1e1	⊢ ( 1 / 1 ) = 1

Proof

Step	Hyp	Ref	Expression
1		ax-1cn	⊢ 1 ∈ ℂ
2		div1	⊢ ( 1 ∈ ℂ → ( 1 / 1 ) = 1 )
3	1 2	ax-mp	⊢ ( 1 / 1 ) = 1